oagarcia/penguin-report

Vulnerabilities

33 via 294 paths

Dependencies

538

Source

GitHub

Commit

55f396db

Find, fix and prevent vulnerabilities in your code.

Severity
  • 2
  • 13
  • 15
  • 3
Status
  • 33
  • 0
  • 0

critical severity

Incomplete List of Disallowed Inputs

  • Vulnerable module: babel-traverse
  • Introduced through: babel-plugin-transform-es2015-modules-commonjs@6.26.2, babel-cli@6.26.0 and others

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-computed-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-systemjs@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-helper-call-delegate@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-helper-explode-class@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-helpers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-computed-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-systemjs@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-define-map@6.26.0 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-helper-call-delegate@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-helper-explode-class@6.24.1 babel-helper-bindify-decorators@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-generator-functions@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-helpers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-helpers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-define-map@6.26.0 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-generator-functions@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-define-map@6.26.0 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-generator-functions@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-exponentiation-operator@6.24.1 babel-helper-builder-binary-assignment-operator-visitor@6.24.1 babel-helper-explode-assignable-expression@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-exponentiation-operator@6.24.1 babel-helper-builder-binary-assignment-operator-visitor@6.24.1 babel-helper-explode-assignable-expression@6.24.1 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-define-map@6.26.0 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-generator-functions@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0

…and 77 more

Overview

Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs when using plugins that rely on the path.evaluate() or path.evaluateTruthy() internal Babel methods.

Note:

This is only exploitable if the attacker uses known affected plugins such as @babel/plugin-transform-runtime, @babel/preset-env when using its useBuiltIns option, and any "polyfill provider" plugin that depends on @babel/helper-define-polyfill-provider. No other plugins under the @babel/ namespace are impacted, but third-party plugins might be.

Users that only compile trusted code are not impacted.

Workaround

Users who are unable to upgrade the library can upgrade the affected plugins instead, to avoid triggering the vulnerable code path in affected @babel/traverse.

Remediation

There is no fixed version for babel-traverse.

References

critical severity

Authentication Bypass

  • Vulnerable module: hawk
  • Introduced through: request@2.84.0

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 request@2.84.0 hawk@7.0.10

Overview

hawk is a library for the HTTP Hawk Authentication Scheme.

Affected versions of this package are vulnerable to Authentication Bypass. The incoming (client supplied) hash of the payload is trusted by the server and not verified before the signature is calculated.

A malicious actor in the middle can alter the payload and the server side will not identify the modification occurred because it simply uses the client provided value instead of verify the hash provided against the modified payload.

According to the maintainers this issue is to be considered out of scope as "payload hash validation is optional and up to developer to implement".

Remediation

There is no fixed version for hawk.

References

high severity

Asymmetric Resource Consumption (Amplification)

  • Vulnerable module: body-parser
  • Introduced through: body-parser@1.18.3 and express@4.16.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 body-parser@1.18.3
    Remediation: Upgrade to body-parser@1.20.3.
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 body-parser@1.18.3
    Remediation: Upgrade to express@4.20.0.

Overview

Affected versions of this package are vulnerable to Asymmetric Resource Consumption (Amplification) via the extendedparser and urlencoded functions when the URL encoding process is enabled. An attacker can flood the server with a large number of specially crafted requests.

Remediation

Upgrade body-parser to version 1.20.3 or higher.

References

high severity

Prototype Pollution

  • Vulnerable module: ajv
  • Introduced through: request@2.84.0

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 request@2.84.0 har-validator@5.0.3 ajv@5.5.2
    Remediation: Upgrade to request@2.88.0.

Overview

ajv is an Another JSON Schema Validator

Affected versions of this package are vulnerable to Prototype Pollution. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. (While untrusted schemas are recommended against, the worst case of an untrusted schema should be a denial of service, not execution of code.)

Details

Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. JavaScript allows all Object attributes to be altered, including their magical attributes such as __proto__, constructor and prototype. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. Properties on the Object.prototype are then inherited by all the JavaScript objects through the prototype chain. When that happens, this leads to either denial of service by triggering JavaScript exceptions, or it tampers with the application source code to force the code path that the attacker injects, thereby leading to remote code execution.

There are two main ways in which the pollution of prototypes occurs:

  • Unsafe Object recursive merge

  • Property definition by path

Unsafe Object recursive merge

The logic of a vulnerable recursive merge function follows the following high-level model:

merge (target, source)

  foreach property of source

    if property exists and is an object on both the target and the source

      merge(target[property], source[property])

    else

      target[property] = source[property]

When the source object contains a property named __proto__ defined with Object.defineProperty() , the condition that checks if the property exists and is an object on both the target and the source passes and the merge recurses with the target, being the prototype of Object and the source of Object as defined by the attacker. Properties are then copied on the Object prototype.

Clone operations are a special sub-class of unsafe recursive merges, which occur when a recursive merge is conducted on an empty object: merge({},source).

lodash and Hoek are examples of libraries susceptible to recursive merge attacks.

Property definition by path

There are a few JavaScript libraries that use an API to define property values on an object based on a given path. The function that is generally affected contains this signature: theFunction(object, path, value)

If the attacker can control the value of “path”, they can set this value to __proto__.myValue. myValue is then assigned to the prototype of the class of the object.

Types of attacks

There are a few methods by which Prototype Pollution can be manipulated:

Type Origin Short description
Denial of service (DoS) Client This is the most likely attack.
DoS occurs when Object holds generic functions that are implicitly called for various operations (for example, toString and valueOf).
The attacker pollutes Object.prototype.someattr and alters its state to an unexpected value such as Int or Object. In this case, the code fails and is likely to cause a denial of service.
For example: if an attacker pollutes Object.prototype.toString by defining it as an integer, if the codebase at any point was reliant on someobject.toString() it would fail.
Remote Code Execution Client Remote code execution is generally only possible in cases where the codebase evaluates a specific attribute of an object, and then executes that evaluation.
For example: eval(someobject.someattr). In this case, if the attacker pollutes Object.prototype.someattr they are likely to be able to leverage this in order to execute code.
Property Injection Client The attacker pollutes properties that the codebase relies on for their informative value, including security properties such as cookies or tokens.
For example: if a codebase checks privileges for someuser.isAdmin, then when the attacker pollutes Object.prototype.isAdmin and sets it to equal true, they can then achieve admin privileges.

Affected environments

The following environments are susceptible to a Prototype Pollution attack:

  • Application server

  • Web server

  • Web browser

How to prevent

  1. Freeze the prototype— use Object.freeze (Object.prototype).

  2. Require schema validation of JSON input.

  3. Avoid using unsafe recursive merge functions.

  4. Consider using objects without prototypes (for example, Object.create(null)), breaking the prototype chain and preventing pollution.

  5. As a best practice use Map instead of Object.

For more information on this vulnerability type:

Arteau, Oliver. “JavaScript prototype pollution attack in NodeJS application.” GitHub, 26 May 2018

Remediation

Upgrade ajv to version 6.12.3 or higher.

References

high severity

Internal Property Tampering

  • Vulnerable module: bson
  • Introduced through: mongodb@2.2.36

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 mongodb@2.2.36 mongodb-core@2.1.20 bson@1.0.9
    Remediation: Upgrade to mongodb@3.1.3.

Overview

bson is a BSON Parser for node and browser.

Affected versions of this package are vulnerable to Internal Property Tampering. The package will ignore an unknown value for an object's _bsotype, leading to cases where an object is serialized as a document rather than the intended BSON type.

NOTE: This vulnerability has also been identified as: CVE-2019-2391

Remediation

Upgrade bson to version 1.1.4 or higher.

References

high severity

Internal Property Tampering

  • Vulnerable module: bson
  • Introduced through: mongodb@2.2.36

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 mongodb@2.2.36 mongodb-core@2.1.20 bson@1.0.9
    Remediation: Upgrade to mongodb@3.1.3.

Overview

bson is a BSON Parser for node and browser.

Affected versions of this package are vulnerable to Internal Property Tampering. The package will ignore an unknown value for an object's _bsotype, leading to cases where an object is serialized as a document rather than the intended BSON type.

NOTE: This vulnerability has also been identified as: CVE-2020-7610

Remediation

Upgrade bson to version 1.1.4 or higher.

References

high severity

Regular Expression Denial of Service (ReDoS)

  • Vulnerable module: ansi-regex
  • Introduced through: babel-cli@6.26.0, babel-plugin-transform-es2015-modules-commonjs@6.26.2 and others

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-computed-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-systemjs@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-helper-call-delegate@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-helper-explode-class@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-computed-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-systemjs@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-parameters@6.24.1 babel-helper-call-delegate@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-helper-explode-class@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-helpers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-computed-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-systemjs@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-define-map@6.26.0 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-helper-call-delegate@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-helper-explode-class@6.24.1 babel-helper-bindify-decorators@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-generator-functions@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 babel-helpers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-block-scoping@6.26.0 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-class-properties@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-computed-properties@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-systemjs@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-define-map@6.26.0 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-object-super@6.24.1 babel-helper-replace-supers@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-parameters@6.24.1 babel-helper-call-delegate@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-plugin-transform-decorators@6.24.1 babel-helper-explode-class@6.24.1 babel-helper-bindify-decorators@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-generator-functions@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-stage-2@6.24.1 babel-preset-stage-3@6.24.1 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-async-to-generator@6.24.1 babel-helper-remap-async-to-generator@6.24.1 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 strip-ansi@3.0.1 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 babel-helpers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 babel-helpers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-modules-umd@6.24.1 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-modules-amd@6.24.1 babel-plugin-transform-es2015-modules-commonjs@6.26.2 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-preset-es2015@6.24.1 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-define-map@6.26.0 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-function-name@6.24.1 babel-helper-function-name@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 babel-plugin-transform-es2015-classes@6.24.1 babel-helper-replace-supers@6.24.1 babel-template@6.26.0 babel-traverse@6.26.0 babel-code-frame@6.26.0 chalk@1.1.3 has-ansi@2.0.0 ansi-regex@2.1.1
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…and 163 more

Overview

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) due to the sub-patterns [[\\]()#;?]* and (?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*.

PoC

import ansiRegex from 'ansi-regex';

for(var i = 1; i <= 50000; i++) {
    var time = Date.now();
    var attack_str = "\u001B["+";".repeat(i*10000);
    ansiRegex().test(attack_str)
    var time_cost = Date.now() - time;
    console.log("attack_str.length: " + attack_str.length + ": " + time_cost+" ms")
}

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade ansi-regex to version 3.0.1, 4.1.1, 5.0.1, 6.0.1 or higher.

References

high severity

Excessive Platform Resource Consumption within a Loop

  • Vulnerable module: braces
  • Introduced through: babel-cli@6.26.0

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 anymatch@1.3.2 micromatch@2.3.11 braces@1.8.5
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 readdirp@2.2.1 micromatch@3.1.10 braces@2.3.2

Overview

braces is a Bash-like brace expansion, implemented in JavaScript.

Affected versions of this package are vulnerable to Excessive Platform Resource Consumption within a Loop due improper limitation of the number of characters it can handle, through the parse function. An attacker can cause the application to allocate excessive memory and potentially crash by sending imbalanced braces as input.

PoC

const { braces } = require('micromatch');

console.log("Executing payloads...");

const maxRepeats = 10;

for (let repeats = 1; repeats <= maxRepeats; repeats += 1) {
  const payload = '{'.repeat(repeats*90000);

  console.log(`Testing with ${repeats} repeats...`);
  const startTime = Date.now();
  braces(payload);
  const endTime = Date.now();
  const executionTime = endTime - startTime;
  console.log(`Regex executed in ${executionTime / 1000}s.\n`);
} 

Remediation

Upgrade braces to version 3.0.3 or higher.

References

high severity

Inefficient Regular Expression Complexity

  • Vulnerable module: micromatch
  • Introduced through: babel-cli@6.26.0

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 anymatch@1.3.2 micromatch@2.3.11
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 readdirp@2.2.1 micromatch@3.1.10

Overview

Affected versions of this package are vulnerable to Inefficient Regular Expression Complexity due to the use of unsafe pattern configurations that allow greedy matching through the micromatch.braces() function. An attacker can cause the application to hang or slow down by passing a malicious payload that triggers extensive backtracking in regular expression processing.

Remediation

Upgrade micromatch to version 4.0.8 or higher.

References

high severity

Directory Traversal

  • Vulnerable module: moment
  • Introduced through: moment@2.20.1

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 moment@2.20.1
    Remediation: Upgrade to moment@2.29.2.

Overview

moment is a lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates.

Affected versions of this package are vulnerable to Directory Traversal when a user provides a locale string which is directly used to switch moment locale.

Details

A Directory Traversal attack (also known as path traversal) aims to access files and directories that are stored outside the intended folder. By manipulating files with "dot-dot-slash (../)" sequences and its variations, or by using absolute file paths, it may be possible to access arbitrary files and directories stored on file system, including application source code, configuration, and other critical system files.

Directory Traversal vulnerabilities can be generally divided into two types:

  • Information Disclosure: Allows the attacker to gain information about the folder structure or read the contents of sensitive files on the system.

st is a module for serving static files on web pages, and contains a vulnerability of this type. In our example, we will serve files from the public route.

If an attacker requests the following URL from our server, it will in turn leak the sensitive private key of the root user.

curl http://localhost:8080/public/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/root/.ssh/id_rsa

Note %2e is the URL encoded version of . (dot).

  • Writing arbitrary files: Allows the attacker to create or replace existing files. This type of vulnerability is also known as Zip-Slip.

One way to achieve this is by using a malicious zip archive that holds path traversal filenames. When each filename in the zip archive gets concatenated to the target extraction folder, without validation, the final path ends up outside of the target folder. If an executable or a configuration file is overwritten with a file containing malicious code, the problem can turn into an arbitrary code execution issue quite easily.

The following is an example of a zip archive with one benign file and one malicious file. Extracting the malicious file will result in traversing out of the target folder, ending up in /root/.ssh/ overwriting the authorized_keys file:

2018-04-15 22:04:29 .....           19           19  good.txt
2018-04-15 22:04:42 .....           20           20  ../../../../../../root/.ssh/authorized_keys

Remediation

Upgrade moment to version 2.29.2 or higher.

References

high severity

Regular Expression Denial of Service (ReDoS)

  • Vulnerable module: moment
  • Introduced through: moment@2.20.1

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 moment@2.20.1
    Remediation: Upgrade to moment@2.29.4.

Overview

moment is a lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via the preprocessRFC2822() function in from-string.js, when processing a very long crafted string (over 10k characters).

PoC:

moment("(".repeat(500000))

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade moment to version 2.29.4 or higher.

References

high severity

Denial of Service (DoS)

  • Vulnerable module: mongodb
  • Introduced through: mongodb@2.2.36

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 mongodb@2.2.36
    Remediation: Upgrade to mongodb@3.1.13.

Overview

mongodb is an official MongoDB driver for Node.js.

Affected versions of this package are vulnerable to Denial of Service (DoS). The package fails to properly catch an exception when a collection name is invalid and the DB does not exist, crashing the application.

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade mongodb to version 3.1.13 or higher.

References

high severity

Prototype Poisoning

  • Vulnerable module: qs
  • Introduced through: body-parser@1.18.3 and express@4.16.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 body-parser@1.18.3 qs@6.5.2
    Remediation: Upgrade to body-parser@1.19.2.
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 qs@6.5.2
    Remediation: Upgrade to express@4.17.3.
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 body-parser@1.18.3 qs@6.5.2
    Remediation: Upgrade to express@4.17.3.

Overview

qs is a querystring parser that supports nesting and arrays, with a depth limit.

Affected versions of this package are vulnerable to Prototype Poisoning which allows attackers to cause a Node process to hang, processing an Array object whose prototype has been replaced by one with an excessive length value.

Note: In many typical Express use cases, an unauthenticated remote attacker can place the attack payload in the query string of the URL that is used to visit the application, such as a[__proto__]=b&a[__proto__]&a[length]=100000000.

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its intended and legitimate users.

Unlike other vulnerabilities, DoS attacks usually do not aim at breaching security. Rather, they are focused on making websites and services unavailable to genuine users resulting in downtime.

One popular Denial of Service vulnerability is DDoS (a Distributed Denial of Service), an attack that attempts to clog network pipes to the system by generating a large volume of traffic from many machines.

When it comes to open source libraries, DoS vulnerabilities allow attackers to trigger such a crash or crippling of the service by using a flaw either in the application code or from the use of open source libraries.

Two common types of DoS vulnerabilities:

  • High CPU/Memory Consumption- An attacker sending crafted requests that could cause the system to take a disproportionate amount of time to process. For example, commons-fileupload:commons-fileupload.

  • Crash - An attacker sending crafted requests that could cause the system to crash. For Example, npm ws package

Remediation

Upgrade qs to version 6.2.4, 6.3.3, 6.4.1, 6.5.3, 6.6.1, 6.7.3, 6.8.3, 6.9.7, 6.10.3 or higher.

References

high severity

Prototype Pollution

  • Vulnerable module: unset-value
  • Introduced through: babel-cli@6.26.0

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 readdirp@2.2.1 micromatch@3.1.10 snapdragon@0.8.2 base@0.11.2 cache-base@1.0.1 unset-value@1.0.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 readdirp@2.2.1 micromatch@3.1.10 braces@2.3.2 snapdragon@0.8.2 base@0.11.2 cache-base@1.0.1 unset-value@1.0.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 readdirp@2.2.1 micromatch@3.1.10 extglob@2.0.4 snapdragon@0.8.2 base@0.11.2 cache-base@1.0.1 unset-value@1.0.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 readdirp@2.2.1 micromatch@3.1.10 nanomatch@1.2.13 snapdragon@0.8.2 base@0.11.2 cache-base@1.0.1 unset-value@1.0.0
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 readdirp@2.2.1 micromatch@3.1.10 extglob@2.0.4 expand-brackets@2.1.4 snapdragon@0.8.2 base@0.11.2 cache-base@1.0.1 unset-value@1.0.0

…and 2 more

Overview

Affected versions of this package are vulnerable to Prototype Pollution via the unset function in index.js, because it allows access to object prototype properties.

Details

Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. JavaScript allows all Object attributes to be altered, including their magical attributes such as __proto__, constructor and prototype. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. Properties on the Object.prototype are then inherited by all the JavaScript objects through the prototype chain. When that happens, this leads to either denial of service by triggering JavaScript exceptions, or it tampers with the application source code to force the code path that the attacker injects, thereby leading to remote code execution.

There are two main ways in which the pollution of prototypes occurs:

  • Unsafe Object recursive merge

  • Property definition by path

Unsafe Object recursive merge

The logic of a vulnerable recursive merge function follows the following high-level model:

merge (target, source)

  foreach property of source

    if property exists and is an object on both the target and the source

      merge(target[property], source[property])

    else

      target[property] = source[property]

When the source object contains a property named __proto__ defined with Object.defineProperty() , the condition that checks if the property exists and is an object on both the target and the source passes and the merge recurses with the target, being the prototype of Object and the source of Object as defined by the attacker. Properties are then copied on the Object prototype.

Clone operations are a special sub-class of unsafe recursive merges, which occur when a recursive merge is conducted on an empty object: merge({},source).

lodash and Hoek are examples of libraries susceptible to recursive merge attacks.

Property definition by path

There are a few JavaScript libraries that use an API to define property values on an object based on a given path. The function that is generally affected contains this signature: theFunction(object, path, value)

If the attacker can control the value of “path”, they can set this value to __proto__.myValue. myValue is then assigned to the prototype of the class of the object.

Types of attacks

There are a few methods by which Prototype Pollution can be manipulated:

Type Origin Short description
Denial of service (DoS) Client This is the most likely attack.
DoS occurs when Object holds generic functions that are implicitly called for various operations (for example, toString and valueOf).
The attacker pollutes Object.prototype.someattr and alters its state to an unexpected value such as Int or Object. In this case, the code fails and is likely to cause a denial of service.
For example: if an attacker pollutes Object.prototype.toString by defining it as an integer, if the codebase at any point was reliant on someobject.toString() it would fail.
Remote Code Execution Client Remote code execution is generally only possible in cases where the codebase evaluates a specific attribute of an object, and then executes that evaluation.
For example: eval(someobject.someattr). In this case, if the attacker pollutes Object.prototype.someattr they are likely to be able to leverage this in order to execute code.
Property Injection Client The attacker pollutes properties that the codebase relies on for their informative value, including security properties such as cookies or tokens.
For example: if a codebase checks privileges for someuser.isAdmin, then when the attacker pollutes Object.prototype.isAdmin and sets it to equal true, they can then achieve admin privileges.

Affected environments

The following environments are susceptible to a Prototype Pollution attack:

  • Application server

  • Web server

  • Web browser

How to prevent

  1. Freeze the prototype— use Object.freeze (Object.prototype).

  2. Require schema validation of JSON input.

  3. Avoid using unsafe recursive merge functions.

  4. Consider using objects without prototypes (for example, Object.create(null)), breaking the prototype chain and preventing pollution.

  5. As a best practice use Map instead of Object.

For more information on this vulnerability type:

Arteau, Oliver. “JavaScript prototype pollution attack in NodeJS application.” GitHub, 26 May 2018

Remediation

Upgrade unset-value to version 2.0.1 or higher.

References

high severity

Regular Expression Denial of Service (ReDoS)

  • Vulnerable module: hawk
  • Introduced through: request@2.84.0

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 request@2.84.0 hawk@7.0.10
    Remediation: Upgrade to request@2.87.0.

Overview

hawk is a library for the HTTP Hawk Authentication Scheme.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) in header parsing where each added character in the attacker's input increases the computation time exponentially.

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade hawk to version 9.0.1 or higher.

References

medium severity

Regular Expression Denial of Service (ReDoS)

  • Vulnerable module: path-to-regexp
  • Introduced through: express@4.16.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 path-to-regexp@0.1.7
    Remediation: Upgrade to express@4.20.0.

Overview

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) when including multiple regular expression parameters in a single segment, which will produce the regular expression /^\/([^\/]+?)-([^\/]+?)\/?$/, if two parameters within a single segment are separated by a character other than a / or .. Poor performance will block the event loop and can lead to a DoS.

Note: While the 8.0.0 release has completely eliminated the vulnerable functionality, prior versions that have received the patch to mitigate backtracking may still be vulnerable if custom regular expressions are used. So it is strongly recommended for regular expression input to be controlled to avoid malicious performance degradation in those versions. This behavior is enforced as of version 7.1.0 via the strict option, which returns an error if a dangerous regular expression is detected.

Workaround

This vulnerability can be avoided by using a custom regular expression for parameters after the first in a segment, which excludes - and /.

PoC

/a${'-a'.repeat(8_000)}/a

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade path-to-regexp to version 0.1.10, 1.9.0, 3.3.0, 6.3.0, 8.0.0 or higher.

References

medium severity

Regular Expression Denial of Service (ReDoS)

  • Vulnerable module: path-to-regexp
  • Introduced through: express@4.16.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 path-to-regexp@0.1.7
    Remediation: Upgrade to express@4.21.2.

Overview

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) when including multiple regular expression parameters in a single segment, when the separator is not . (e.g. no /:a-:b). Poor performance will block the event loop and can lead to a DoS.

Note:

This issue is caused due to an incomplete fix for CVE-2024-45296.

Workarounds

This can be mitigated by avoiding using two parameters within a single path segment, when the separator is not . (e.g. no /:a-:b). Alternatively, the regex used for both parameters can be defined to ensure they do not overlap to allow backtracking.

PoC

/a${'-a'.repeat(8_000)}/a

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade path-to-regexp to version 0.1.12 or higher.

References

medium severity

Information Exposure

  • Vulnerable module: node-fetch
  • Introduced through: react@15.6.2 and react-dom@15.6.2

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 react@15.6.2 fbjs@0.8.18 isomorphic-fetch@2.2.1 node-fetch@1.7.3
    Remediation: Upgrade to react@16.5.0.
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 react-dom@15.6.2 fbjs@0.8.18 isomorphic-fetch@2.2.1 node-fetch@1.7.3
    Remediation: Upgrade to react-dom@16.5.0.

Overview

node-fetch is a light-weight module that brings window.fetch to node.js

Affected versions of this package are vulnerable to Information Exposure when fetching a remote url with Cookie, if it get a Location response header, it will follow that url and try to fetch that url with provided cookie. This can lead to forwarding secure headers to 3th party.

Remediation

Upgrade node-fetch to version 2.6.7, 3.1.1 or higher.

References

medium severity

Server-side Request Forgery (SSRF)

  • Vulnerable module: request
  • Introduced through: request@2.84.0

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 request@2.84.0

Overview

request is a simplified http request client.

Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) due to insufficient checks in the lib/redirect.js file by allowing insecure redirects in the default configuration, via an attacker-controller server that does a cross-protocol redirect (HTTP to HTTPS, or HTTPS to HTTP).

NOTE: request package has been deprecated, so a fix is not expected. See https://github.com/request/request/issues/3142.

Remediation

A fix was pushed into the master branch but not yet published.

References

medium severity

Prototype Pollution

  • Vulnerable module: tough-cookie
  • Introduced through: request@2.84.0 and request-promise@4.2.6

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 request@2.84.0 tough-cookie@2.3.4
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 request-promise@4.2.6 tough-cookie@2.5.0

Overview

tough-cookie is a RFC6265 Cookies and CookieJar module for Node.js.

Affected versions of this package are vulnerable to Prototype Pollution due to improper handling of Cookies when using CookieJar in rejectPublicSuffixes=false mode. Due to an issue with the manner in which the objects are initialized, an attacker can expose or modify a limited amount of property information on those objects. There is no impact to availability.

PoC

// PoC.js
async function main(){
var tough = require("tough-cookie");
var cookiejar = new tough.CookieJar(undefined,{rejectPublicSuffixes:false});
// Exploit cookie
await cookiejar.setCookie(
  "Slonser=polluted; Domain=__proto__; Path=/notauth",
  "https://__proto__/admin"
);
// normal cookie
var cookie = await cookiejar.setCookie(
  "Auth=Lol; Domain=google.com; Path=/notauth",
  "https://google.com/"
);

//Exploit cookie
var a = {};
console.log(a["/notauth"]["Slonser"])
}
main();

Details

Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. JavaScript allows all Object attributes to be altered, including their magical attributes such as __proto__, constructor and prototype. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. Properties on the Object.prototype are then inherited by all the JavaScript objects through the prototype chain. When that happens, this leads to either denial of service by triggering JavaScript exceptions, or it tampers with the application source code to force the code path that the attacker injects, thereby leading to remote code execution.

There are two main ways in which the pollution of prototypes occurs:

  • Unsafe Object recursive merge

  • Property definition by path

Unsafe Object recursive merge

The logic of a vulnerable recursive merge function follows the following high-level model:

merge (target, source)

  foreach property of source

    if property exists and is an object on both the target and the source

      merge(target[property], source[property])

    else

      target[property] = source[property]

When the source object contains a property named __proto__ defined with Object.defineProperty() , the condition that checks if the property exists and is an object on both the target and the source passes and the merge recurses with the target, being the prototype of Object and the source of Object as defined by the attacker. Properties are then copied on the Object prototype.

Clone operations are a special sub-class of unsafe recursive merges, which occur when a recursive merge is conducted on an empty object: merge({},source).

lodash and Hoek are examples of libraries susceptible to recursive merge attacks.

Property definition by path

There are a few JavaScript libraries that use an API to define property values on an object based on a given path. The function that is generally affected contains this signature: theFunction(object, path, value)

If the attacker can control the value of “path”, they can set this value to __proto__.myValue. myValue is then assigned to the prototype of the class of the object.

Types of attacks

There are a few methods by which Prototype Pollution can be manipulated:

Type Origin Short description
Denial of service (DoS) Client This is the most likely attack.
DoS occurs when Object holds generic functions that are implicitly called for various operations (for example, toString and valueOf).
The attacker pollutes Object.prototype.someattr and alters its state to an unexpected value such as Int or Object. In this case, the code fails and is likely to cause a denial of service.
For example: if an attacker pollutes Object.prototype.toString by defining it as an integer, if the codebase at any point was reliant on someobject.toString() it would fail.
Remote Code Execution Client Remote code execution is generally only possible in cases where the codebase evaluates a specific attribute of an object, and then executes that evaluation.
For example: eval(someobject.someattr). In this case, if the attacker pollutes Object.prototype.someattr they are likely to be able to leverage this in order to execute code.
Property Injection Client The attacker pollutes properties that the codebase relies on for their informative value, including security properties such as cookies or tokens.
For example: if a codebase checks privileges for someuser.isAdmin, then when the attacker pollutes Object.prototype.isAdmin and sets it to equal true, they can then achieve admin privileges.

Affected environments

The following environments are susceptible to a Prototype Pollution attack:

  • Application server

  • Web server

  • Web browser

How to prevent

  1. Freeze the prototype— use Object.freeze (Object.prototype).

  2. Require schema validation of JSON input.

  3. Avoid using unsafe recursive merge functions.

  4. Consider using objects without prototypes (for example, Object.create(null)), breaking the prototype chain and preventing pollution.

  5. As a best practice use Map instead of Object.

For more information on this vulnerability type:

Arteau, Oliver. “JavaScript prototype pollution attack in NodeJS application.” GitHub, 26 May 2018

Remediation

Upgrade tough-cookie to version 4.1.3 or higher.

References

medium severity

Prototype Pollution

  • Vulnerable module: json5
  • Introduced through: babel-cli@6.26.0 and express-react-views@0.10.5

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-core@6.26.3 json5@0.5.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 babel-register@6.26.0 babel-core@6.26.3 json5@0.5.1
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-register@6.26.0 babel-core@6.26.3 json5@0.5.1

Overview

Affected versions of this package are vulnerable to Prototype Pollution via the parse method , which does not restrict parsing of keys named __proto__, allowing specially crafted strings to pollute the prototype of the resulting object. This pollutes the prototype of the object returned by JSON5.parse and not the global Object prototype (which is the commonly understood definition of Prototype Pollution). Therefore, the actual impact will depend on how applications utilize the returned object and how they filter unwanted keys.

Details

Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. JavaScript allows all Object attributes to be altered, including their magical attributes such as __proto__, constructor and prototype. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. Properties on the Object.prototype are then inherited by all the JavaScript objects through the prototype chain. When that happens, this leads to either denial of service by triggering JavaScript exceptions, or it tampers with the application source code to force the code path that the attacker injects, thereby leading to remote code execution.

There are two main ways in which the pollution of prototypes occurs:

  • Unsafe Object recursive merge

  • Property definition by path

Unsafe Object recursive merge

The logic of a vulnerable recursive merge function follows the following high-level model:

merge (target, source)

  foreach property of source

    if property exists and is an object on both the target and the source

      merge(target[property], source[property])

    else

      target[property] = source[property]

When the source object contains a property named __proto__ defined with Object.defineProperty() , the condition that checks if the property exists and is an object on both the target and the source passes and the merge recurses with the target, being the prototype of Object and the source of Object as defined by the attacker. Properties are then copied on the Object prototype.

Clone operations are a special sub-class of unsafe recursive merges, which occur when a recursive merge is conducted on an empty object: merge({},source).

lodash and Hoek are examples of libraries susceptible to recursive merge attacks.

Property definition by path

There are a few JavaScript libraries that use an API to define property values on an object based on a given path. The function that is generally affected contains this signature: theFunction(object, path, value)

If the attacker can control the value of “path”, they can set this value to __proto__.myValue. myValue is then assigned to the prototype of the class of the object.

Types of attacks

There are a few methods by which Prototype Pollution can be manipulated:

Type Origin Short description
Denial of service (DoS) Client This is the most likely attack.
DoS occurs when Object holds generic functions that are implicitly called for various operations (for example, toString and valueOf).
The attacker pollutes Object.prototype.someattr and alters its state to an unexpected value such as Int or Object. In this case, the code fails and is likely to cause a denial of service.
For example: if an attacker pollutes Object.prototype.toString by defining it as an integer, if the codebase at any point was reliant on someobject.toString() it would fail.
Remote Code Execution Client Remote code execution is generally only possible in cases where the codebase evaluates a specific attribute of an object, and then executes that evaluation.
For example: eval(someobject.someattr). In this case, if the attacker pollutes Object.prototype.someattr they are likely to be able to leverage this in order to execute code.
Property Injection Client The attacker pollutes properties that the codebase relies on for their informative value, including security properties such as cookies or tokens.
For example: if a codebase checks privileges for someuser.isAdmin, then when the attacker pollutes Object.prototype.isAdmin and sets it to equal true, they can then achieve admin privileges.

Affected environments

The following environments are susceptible to a Prototype Pollution attack:

  • Application server

  • Web server

  • Web browser

How to prevent

  1. Freeze the prototype— use Object.freeze (Object.prototype).

  2. Require schema validation of JSON input.

  3. Avoid using unsafe recursive merge functions.

  4. Consider using objects without prototypes (for example, Object.create(null)), breaking the prototype chain and preventing pollution.

  5. As a best practice use Map instead of Object.

For more information on this vulnerability type:

Arteau, Oliver. “JavaScript prototype pollution attack in NodeJS application.” GitHub, 26 May 2018

Remediation

Upgrade json5 to version 1.0.2, 2.2.2 or higher.

References

medium severity

  • Vulnerable module: cookie
  • Introduced through: express@4.16.4 and express-session@1.15.6

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 cookie@0.3.1
    Remediation: Upgrade to express@4.21.1.
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-session@1.15.6 cookie@0.3.1
    Remediation: Upgrade to express-session@1.18.1.

Overview

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via the cookie name, path, or domain, which can be used to set unexpected values to other cookie fields.

Workaround

Users who are not able to upgrade to the fixed version should avoid passing untrusted or arbitrary values for the cookie fields and ensure they are set by the application instead of user input.

Details

A cross-site scripting attack occurs when the attacker tricks a legitimate web-based application or site to accept a request as originating from a trusted source.

This is done by escaping the context of the web application; the web application then delivers that data to its users along with other trusted dynamic content, without validating it. The browser unknowingly executes malicious script on the client side (through client-side languages; usually JavaScript or HTML) in order to perform actions that are otherwise typically blocked by the browser’s Same Origin Policy.

Injecting malicious code is the most prevalent manner by which XSS is exploited; for this reason, escaping characters in order to prevent this manipulation is the top method for securing code against this vulnerability.

Escaping means that the application is coded to mark key characters, and particularly key characters included in user input, to prevent those characters from being interpreted in a dangerous context. For example, in HTML, < can be coded as &lt; and > can be coded as &gt; in order to be interpreted and displayed as themselves in text, while within the code itself, they are used for HTML tags. If malicious content is injected into an application that escapes special characters and that malicious content uses < and > as HTML tags, those characters are nonetheless not interpreted as HTML tags by the browser if they’ve been correctly escaped in the application code and in this way the attempted attack is diverted.

The most prominent use of XSS is to steal cookies (source: OWASP HttpOnly) and hijack user sessions, but XSS exploits have been used to expose sensitive information, enable access to privileged services and functionality and deliver malware.

Types of attacks

There are a few methods by which XSS can be manipulated:

Type Origin Description
Stored Server The malicious code is inserted in the application (usually as a link) by the attacker. The code is activated every time a user clicks the link.
Reflected Server The attacker delivers a malicious link externally from the vulnerable web site application to a user. When clicked, malicious code is sent to the vulnerable web site, which reflects the attack back to the user’s browser.
DOM-based Client The attacker forces the user’s browser to render a malicious page. The data in the page itself delivers the cross-site scripting data.
Mutated The attacker injects code that appears safe, but is then rewritten and modified by the browser, while parsing the markup. An example is rebalancing unclosed quotation marks or even adding quotation marks to unquoted parameters.

Affected environments

The following environments are susceptible to an XSS attack:

  • Web servers
  • Application servers
  • Web application environments

How to prevent

This section describes the top best practices designed to specifically protect your code:

  • Sanitize data input in an HTTP request before reflecting it back, ensuring all data is validated, filtered or escaped before echoing anything back to the user, such as the values of query parameters during searches.
  • Convert special characters such as ?, &, /, <, > and spaces to their respective HTML or URL encoded equivalents.
  • Give users the option to disable client-side scripts.
  • Redirect invalid requests.
  • Detect simultaneous logins, including those from two separate IP addresses, and invalidate those sessions.
  • Use and enforce a Content Security Policy (source: Wikipedia) to disable any features that might be manipulated for an XSS attack.
  • Read the documentation for any of the libraries referenced in your code to understand which elements allow for embedded HTML.

Remediation

Upgrade cookie to version 0.7.0 or higher.

References

medium severity

Missing Release of Resource after Effective Lifetime

  • Vulnerable module: inflight
  • Introduced through: babel-cli@6.26.0 and babel-plugin-lodash@3.3.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 glob@7.2.3 inflight@1.0.6
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-plugin-lodash@3.3.4 glob@7.2.3 inflight@1.0.6

Overview

Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime via the makeres function due to improperly deleting keys from the reqs object after execution of callbacks. This behavior causes the keys to remain in the reqs object, which leads to resource exhaustion.

Exploiting this vulnerability results in crashing the node process or in the application crash.

Note: This library is not maintained, and currently, there is no fix for this issue. To overcome this vulnerability, several dependent packages have eliminated the use of this library.

To trigger the memory leak, an attacker would need to have the ability to execute or influence the asynchronous operations that use the inflight module within the application. This typically requires access to the internal workings of the server or application, which is not commonly exposed to remote users. Therefore, “Attack vector” is marked as “Local”.

PoC

const inflight = require('inflight');

function testInflight() {
  let i = 0;
  function scheduleNext() {
    let key = `key-${i++}`;
    const callback = () => {
    };
    for (let j = 0; j < 1000000; j++) {
      inflight(key, callback);
    }

    setImmediate(scheduleNext);
  }


  if (i % 100 === 0) {
    console.log(process.memoryUsage());
  }

  scheduleNext();
}

testInflight();

Remediation

There is no fixed version for inflight.

References

medium severity

Open Redirect

  • Vulnerable module: express
  • Introduced through: express@4.16.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4
    Remediation: Upgrade to express@4.19.2.

Overview

express is a minimalist web framework.

Affected versions of this package are vulnerable to Open Redirect due to the implementation of URL encoding using encodeurl before passing it to the location header. This can lead to unexpected evaluations of malformed URLs by common redirect allow list implementations in applications, allowing an attacker to bypass a properly implemented allow list and redirect users to malicious sites.

Remediation

Upgrade express to version 4.19.2, 5.0.0-beta.3 or higher.

References

medium severity

Denial of Service

  • Vulnerable module: node-fetch
  • Introduced through: react@15.6.2 and react-dom@15.6.2

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 react@15.6.2 fbjs@0.8.18 isomorphic-fetch@2.2.1 node-fetch@1.7.3
    Remediation: Upgrade to react@16.5.0.
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 react-dom@15.6.2 fbjs@0.8.18 isomorphic-fetch@2.2.1 node-fetch@1.7.3
    Remediation: Upgrade to react-dom@16.5.0.

Overview

node-fetch is a light-weight module that brings window.fetch to node.js

Affected versions of this package are vulnerable to Denial of Service. Node Fetch did not honor the size option after following a redirect, which means that when a content size was over the limit, a FetchError would never get thrown and the process would end without failure.

Remediation

Upgrade node-fetch to version 2.6.1, 3.0.0-beta.9 or higher.

References

medium severity

Regular Expression Denial of Service (ReDoS)

  • Vulnerable module: browserslist
  • Introduced through: express-react-views@0.10.5

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express-react-views@0.10.5 babel-preset-env@1.7.0 browserslist@3.2.8

Overview

browserslist is a Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) during parsing of queries.

PoC by Yeting Li

var browserslist = require("browserslist")
function build_attack(n) {
    var ret = "> "
    for (var i = 0; i < n; i++) {
        ret += "1"
    }
    return ret + "!";
}

// browserslist('> 1%')

//browserslist(build_attack(500000))
for(var i = 1; i <= 500000; i++) {
    if (i % 1000 == 0) {
        var time = Date.now();
        var attack_str = build_attack(i)
        try{
            browserslist(attack_str);
            var time_cost = Date.now() - time;
            console.log("attack_str.length: " + attack_str.length + ": " + time_cost+" ms");
            }
        catch(e){
        var time_cost = Date.now() - time;
        console.log("attack_str.length: " + attack_str.length + ": " + time_cost+" ms");
        }
    }
}

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade browserslist to version 4.16.5 or higher.

References

medium severity

Regular Expression Denial of Service (ReDoS)

  • Vulnerable module: redis
  • Introduced through: connect-redis@3.3.3

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 connect-redis@3.3.3 redis@2.8.0
    Remediation: Upgrade to connect-redis@4.0.0.

Overview

redis is an A high performance Redis client.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS). When a client is in monitoring mode, monitor_regex, which is used to detected monitor messages` could cause exponential backtracking on some strings, leading to denial of service.

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade redis to version 3.1.1 or higher.

References

medium severity

Prototype Pollution

  • Vulnerable module: xml2js
  • Introduced through: xml2js@0.4.23

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 xml2js@0.4.23
    Remediation: Upgrade to xml2js@0.5.0.

Overview

Affected versions of this package are vulnerable to Prototype Pollution due to allowing an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.

PoC

var parseString = require('xml2js').parseString;

let normal_user_request    = "<role>admin</role>";
let malicious_user_request = "<__proto__><role>admin</role></__proto__>";

const update_user = (userProp) => {
    // A user cannot alter his role. This way we prevent privilege escalations.
    parseString(userProp, function (err, user) {
        if(user.hasOwnProperty("role") && user?.role.toLowerCase() === "admin") {
            console.log("Unauthorized Action");
        } else {
            console.log(user?.role[0]);
        }
    });
}

update_user(normal_user_request);
update_user(malicious_user_request);

Details

Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. JavaScript allows all Object attributes to be altered, including their magical attributes such as __proto__, constructor and prototype. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. Properties on the Object.prototype are then inherited by all the JavaScript objects through the prototype chain. When that happens, this leads to either denial of service by triggering JavaScript exceptions, or it tampers with the application source code to force the code path that the attacker injects, thereby leading to remote code execution.

There are two main ways in which the pollution of prototypes occurs:

  • Unsafe Object recursive merge

  • Property definition by path

Unsafe Object recursive merge

The logic of a vulnerable recursive merge function follows the following high-level model:

merge (target, source)

  foreach property of source

    if property exists and is an object on both the target and the source

      merge(target[property], source[property])

    else

      target[property] = source[property]

When the source object contains a property named __proto__ defined with Object.defineProperty() , the condition that checks if the property exists and is an object on both the target and the source passes and the merge recurses with the target, being the prototype of Object and the source of Object as defined by the attacker. Properties are then copied on the Object prototype.

Clone operations are a special sub-class of unsafe recursive merges, which occur when a recursive merge is conducted on an empty object: merge({},source).

lodash and Hoek are examples of libraries susceptible to recursive merge attacks.

Property definition by path

There are a few JavaScript libraries that use an API to define property values on an object based on a given path. The function that is generally affected contains this signature: theFunction(object, path, value)

If the attacker can control the value of “path”, they can set this value to __proto__.myValue. myValue is then assigned to the prototype of the class of the object.

Types of attacks

There are a few methods by which Prototype Pollution can be manipulated:

Type Origin Short description
Denial of service (DoS) Client This is the most likely attack.
DoS occurs when Object holds generic functions that are implicitly called for various operations (for example, toString and valueOf).
The attacker pollutes Object.prototype.someattr and alters its state to an unexpected value such as Int or Object. In this case, the code fails and is likely to cause a denial of service.
For example: if an attacker pollutes Object.prototype.toString by defining it as an integer, if the codebase at any point was reliant on someobject.toString() it would fail.
Remote Code Execution Client Remote code execution is generally only possible in cases where the codebase evaluates a specific attribute of an object, and then executes that evaluation.
For example: eval(someobject.someattr). In this case, if the attacker pollutes Object.prototype.someattr they are likely to be able to leverage this in order to execute code.
Property Injection Client The attacker pollutes properties that the codebase relies on for their informative value, including security properties such as cookies or tokens.
For example: if a codebase checks privileges for someuser.isAdmin, then when the attacker pollutes Object.prototype.isAdmin and sets it to equal true, they can then achieve admin privileges.

Affected environments

The following environments are susceptible to a Prototype Pollution attack:

  • Application server

  • Web server

  • Web browser

How to prevent

  1. Freeze the prototype— use Object.freeze (Object.prototype).

  2. Require schema validation of JSON input.

  3. Avoid using unsafe recursive merge functions.

  4. Consider using objects without prototypes (for example, Object.create(null)), breaking the prototype chain and preventing pollution.

  5. As a best practice use Map instead of Object.

For more information on this vulnerability type:

Arteau, Oliver. “JavaScript prototype pollution attack in NodeJS application.” GitHub, 26 May 2018

Remediation

Upgrade xml2js to version 0.5.0 or higher.

References

medium severity

Cross-site Scripting

  • Vulnerable module: express
  • Introduced through: express@4.16.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4
    Remediation: Upgrade to express@4.20.0.

Overview

express is a minimalist web framework.

Affected versions of this package are vulnerable to Cross-site Scripting due to improper handling of user input in the response.redirect method. An attacker can execute arbitrary code by passing malicious input to this method.

Note

To exploit this vulnerability, the following conditions are required:

  1. The attacker should be able to control the input to response.redirect()

  2. express must not redirect before the template appears

  3. the browser must not complete redirection before:

  4. the user must click on the link in the template

Remediation

Upgrade express to version 4.20.0, 5.0.0 or higher.

References

medium severity

Session Fixation

  • Vulnerable module: passport
  • Introduced through: passport@0.3.2

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 passport@0.3.2
    Remediation: Upgrade to passport@0.6.0.

Overview

passport is a Simple, unobtrusive authentication for Node.js.

Affected versions of this package are vulnerable to Session Fixation. When a user logs in or logs out, the session is regenerated instead of being closed.

Remediation

Upgrade passport to version 0.6.0 or higher.

References

low severity

Regular Expression Denial of Service (ReDoS)

  • Vulnerable module: braces
  • Introduced through: babel-cli@6.26.0

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 babel-cli@6.26.0 chokidar@1.7.0 anymatch@1.3.2 micromatch@2.3.11 braces@1.8.5

Overview

braces is a Bash-like brace expansion, implemented in JavaScript.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS). It used a regular expression (^\{(,+(?:(\{,+\})*),*|,*(?:(\{,+\})*),+)\}) in order to detects empty braces. This can cause an impact of about 10 seconds matching time for data 50K characters long.

Disclosure Timeline

  • Feb 15th, 2018 - Initial Disclosure to package owner
  • Feb 16th, 2018 - Initial Response from package owner
  • Feb 18th, 2018 - Fix issued
  • Feb 19th, 2018 - Vulnerability published

Details

Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its original and legitimate users. There are many types of DoS attacks, ranging from trying to clog the network pipes to the system by generating a large volume of traffic from many machines (a Distributed Denial of Service - DDoS - attack) to sending crafted requests that cause a system to crash or take a disproportional amount of time to process.

The Regular expression Denial of Service (ReDoS) is a type of Denial of Service attack. Regular expressions are incredibly powerful, but they aren't very intuitive and can ultimately end up making it easy for attackers to take your site down.

Let’s take the following regular expression as an example:

regex = /A(B|C+)+D/

This regular expression accomplishes the following:

  • A The string must start with the letter 'A'
  • (B|C+)+ The string must then follow the letter A with either the letter 'B' or some number of occurrences of the letter 'C' (the + matches one or more times). The + at the end of this section states that we can look for one or more matches of this section.
  • D Finally, we ensure this section of the string ends with a 'D'

The expression would match inputs such as ABBD, ABCCCCD, ABCBCCCD and ACCCCCD

It most cases, it doesn't take very long for a regex engine to find a match:

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCD")'
0.04s user 0.01s system 95% cpu 0.052 total

$ time node -e '/A(B|C+)+D/.test("ACCCCCCCCCCCCCCCCCCCCCCCCCCCCX")'
1.79s user 0.02s system 99% cpu 1.812 total

The entire process of testing it against a 30 characters long string takes around ~52ms. But when given an invalid string, it takes nearly two seconds to complete the test, over ten times as long as it took to test a valid string. The dramatic difference is due to the way regular expressions get evaluated.

Most Regex engines will work very similarly (with minor differences). The engine will match the first possible way to accept the current character and proceed to the next one. If it then fails to match the next one, it will backtrack and see if there was another way to digest the previous character. If it goes too far down the rabbit hole only to find out the string doesn’t match in the end, and if many characters have multiple valid regex paths, the number of backtracking steps can become very large, resulting in what is known as catastrophic backtracking.

Let's look at how our expression runs into this problem, using a shorter string: "ACCCX". While it seems fairly straightforward, there are still four different ways that the engine could match those three C's:

  1. CCC
  2. CC+C
  3. C+CC
  4. C+C+C.

The engine has to try each of those combinations to see if any of them potentially match against the expression. When you combine that with the other steps the engine must take, we can use RegEx 101 debugger to see the engine has to take a total of 38 steps before it can determine the string doesn't match.

From there, the number of steps the engine must use to validate a string just continues to grow.

String Number of C's Number of steps
ACCCX 3 38
ACCCCX 4 71
ACCCCCX 5 136
ACCCCCCCCCCCCCCX 14 65,553

By the time the string includes 14 C's, the engine has to take over 65,000 steps just to see if the string is valid. These extreme situations can cause them to work very slowly (exponentially related to input size, as shown above), allowing an attacker to exploit this and can cause the service to excessively consume CPU, resulting in a Denial of Service.

Remediation

Upgrade braces to version 2.3.1 or higher.

References

low severity

Cross-site Scripting

  • Vulnerable module: send
  • Introduced through: express@4.16.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 send@0.16.2
    Remediation: Upgrade to express@4.20.0.
  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 serve-static@1.13.2 send@0.16.2
    Remediation: Upgrade to express@4.21.0.

Overview

send is a Better streaming static file server with Range and conditional-GET support

Affected versions of this package are vulnerable to Cross-site Scripting due to improper user input sanitization passed to the SendStream.redirect() function, which executes untrusted code. An attacker can execute arbitrary code by manipulating the input parameters to this method.

Note:

Exploiting this vulnerability requires the following:

  1. The attacker needs to control the input to response.redirect()

  2. Express MUST NOT redirect before the template appears

  3. The browser MUST NOT complete redirection before

  4. The user MUST click on the link in the template

Details

A cross-site scripting attack occurs when the attacker tricks a legitimate web-based application or site to accept a request as originating from a trusted source.

This is done by escaping the context of the web application; the web application then delivers that data to its users along with other trusted dynamic content, without validating it. The browser unknowingly executes malicious script on the client side (through client-side languages; usually JavaScript or HTML) in order to perform actions that are otherwise typically blocked by the browser’s Same Origin Policy.

Injecting malicious code is the most prevalent manner by which XSS is exploited; for this reason, escaping characters in order to prevent this manipulation is the top method for securing code against this vulnerability.

Escaping means that the application is coded to mark key characters, and particularly key characters included in user input, to prevent those characters from being interpreted in a dangerous context. For example, in HTML, < can be coded as &lt; and > can be coded as &gt; in order to be interpreted and displayed as themselves in text, while within the code itself, they are used for HTML tags. If malicious content is injected into an application that escapes special characters and that malicious content uses < and > as HTML tags, those characters are nonetheless not interpreted as HTML tags by the browser if they’ve been correctly escaped in the application code and in this way the attempted attack is diverted.

The most prominent use of XSS is to steal cookies (source: OWASP HttpOnly) and hijack user sessions, but XSS exploits have been used to expose sensitive information, enable access to privileged services and functionality and deliver malware.

Types of attacks

There are a few methods by which XSS can be manipulated:

Type Origin Description
Stored Server The malicious code is inserted in the application (usually as a link) by the attacker. The code is activated every time a user clicks the link.
Reflected Server The attacker delivers a malicious link externally from the vulnerable web site application to a user. When clicked, malicious code is sent to the vulnerable web site, which reflects the attack back to the user’s browser.
DOM-based Client The attacker forces the user’s browser to render a malicious page. The data in the page itself delivers the cross-site scripting data.
Mutated The attacker injects code that appears safe, but is then rewritten and modified by the browser, while parsing the markup. An example is rebalancing unclosed quotation marks or even adding quotation marks to unquoted parameters.

Affected environments

The following environments are susceptible to an XSS attack:

  • Web servers
  • Application servers
  • Web application environments

How to prevent

This section describes the top best practices designed to specifically protect your code:

  • Sanitize data input in an HTTP request before reflecting it back, ensuring all data is validated, filtered or escaped before echoing anything back to the user, such as the values of query parameters during searches.
  • Convert special characters such as ?, &, /, <, > and spaces to their respective HTML or URL encoded equivalents.
  • Give users the option to disable client-side scripts.
  • Redirect invalid requests.
  • Detect simultaneous logins, including those from two separate IP addresses, and invalidate those sessions.
  • Use and enforce a Content Security Policy (source: Wikipedia) to disable any features that might be manipulated for an XSS attack.
  • Read the documentation for any of the libraries referenced in your code to understand which elements allow for embedded HTML.

Remediation

Upgrade send to version 0.19.0, 1.1.0 or higher.

References

low severity

Cross-site Scripting

  • Vulnerable module: serve-static
  • Introduced through: express@4.16.4

Detailed paths

  • Introduced through: penguin-basecamp-report@oagarcia/penguin-report#55f396db4f5c3a7c7a85b1d669aff7a4834b49d8 express@4.16.4 serve-static@1.13.2
    Remediation: Upgrade to express@4.20.0.

Overview

serve-static is a server.

Affected versions of this package are vulnerable to Cross-site Scripting due to improper sanitization of user input in the redirect function. An attacker can manipulate the redirection process by injecting malicious code into the input.

Note

To exploit this vulnerability, the following conditions are required:

  1. The attacker should be able to control the input to response.redirect()

  2. express must not redirect before the template appears

  3. the browser must not complete redirection before:

  4. the user must click on the link in the template

Details

A cross-site scripting attack occurs when the attacker tricks a legitimate web-based application or site to accept a request as originating from a trusted source.

This is done by escaping the context of the web application; the web application then delivers that data to its users along with other trusted dynamic content, without validating it. The browser unknowingly executes malicious script on the client side (through client-side languages; usually JavaScript or HTML) in order to perform actions that are otherwise typically blocked by the browser’s Same Origin Policy.

Injecting malicious code is the most prevalent manner by which XSS is exploited; for this reason, escaping characters in order to prevent this manipulation is the top method for securing code against this vulnerability.

Escaping means that the application is coded to mark key characters, and particularly key characters included in user input, to prevent those characters from being interpreted in a dangerous context. For example, in HTML, < can be coded as &lt; and > can be coded as &gt; in order to be interpreted and displayed as themselves in text, while within the code itself, they are used for HTML tags. If malicious content is injected into an application that escapes special characters and that malicious content uses < and > as HTML tags, those characters are nonetheless not interpreted as HTML tags by the browser if they’ve been correctly escaped in the application code and in this way the attempted attack is diverted.

The most prominent use of XSS is to steal cookies (source: OWASP HttpOnly) and hijack user sessions, but XSS exploits have been used to expose sensitive information, enable access to privileged services and functionality and deliver malware.

Types of attacks

There are a few methods by which XSS can be manipulated:

Type Origin Description
Stored Server The malicious code is inserted in the application (usually as a link) by the attacker. The code is activated every time a user clicks the link.
Reflected Server The attacker delivers a malicious link externally from the vulnerable web site application to a user. When clicked, malicious code is sent to the vulnerable web site, which reflects the attack back to the user’s browser.
DOM-based Client The attacker forces the user’s browser to render a malicious page. The data in the page itself delivers the cross-site scripting data.
Mutated The attacker injects code that appears safe, but is then rewritten and modified by the browser, while parsing the markup. An example is rebalancing unclosed quotation marks or even adding quotation marks to unquoted parameters.

Affected environments

The following environments are susceptible to an XSS attack:

  • Web servers
  • Application servers
  • Web application environments

How to prevent

This section describes the top best practices designed to specifically protect your code:

  • Sanitize data input in an HTTP request before reflecting it back, ensuring all data is validated, filtered or escaped before echoing anything back to the user, such as the values of query parameters during searches.
  • Convert special characters such as ?, &, /, <, > and spaces to their respective HTML or URL encoded equivalents.
  • Give users the option to disable client-side scripts.
  • Redirect invalid requests.
  • Detect simultaneous logins, including those from two separate IP addresses, and invalidate those sessions.
  • Use and enforce a Content Security Policy (source: Wikipedia) to disable any features that might be manipulated for an XSS attack.
  • Read the documentation for any of the libraries referenced in your code to understand which elements allow for embedded HTML.

Remediation

Upgrade serve-static to version 1.16.0, 2.1.0 or higher.

References