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Arbitrary File Deletion Affecting bundler package, versions >=0.9.2, <1.6.1

0.0
medium

Snyk CVSS

    Attack Complexity Low

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  • Snyk ID SNYK-RUBY-BUNDLER-20284
  • published 13 Feb 2017
  • disclosed 31 Mar 2014
  • credit Unknown
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Introduced: 31 Mar 2014

CVE NOT AVAILABLE CWE-284 Open this link in a new tab

Overview

bundler is a dependencies manager. Affected versions of this gem use the FileUtils.rm_rf function to delete the Bundler tmp folder. This method is vulnerable when:

  • One of parent directories or removing directory tree are world writable (including /tmp, whose permission is 1777),
  • The current process has root privileges.
  • The system has symbolic link. The fix is to use FileUtils.remove_entry_secure. See the Ruby Docs for more information.

References