Arbitrary Code Execution

Affecting front-matter package, versions <4.0.1

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Overview

front-matter is a package that extracts meta data (front-matter) from documents.

Affected versions of this package are vulnerable to Arbitrary Code Execution due to the default usage of the function yaml.load() of the package js-yaml instead of its secure replacement , yaml.safeLoad().

Remediation

Upgrade front-matter to version 4.0.1 or higher.

References

CVSS Score

9.8
critical severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:R
Credit
peterbe
CWE
CWE-94
Snyk ID
SNYK-JS-FRONTMATTER-569103
Disclosed
14 May, 2020
Published
19 May, 2020