CVE-2017-14867

Git before 2.10.5, 2.11.x before 2.11.4, 2.12.x before 2.12.5, 2.13.x before 2.13.6, and 2.14.x before 2.14.2 uses unsafe Perl scripts to support subcommands such as cvsserver, which allows attackers to execute arbitrary OS commands via shell metacharacters in a module name. The vulnerable code is reachable via git-shell even without CVS support.

Summary:

Git before 2.10.5, 2.11.x before 2.11.4, 2.12.x before 2.12.5, 2.13.x before 2.13.6, and 2.14.x before 2.14.2 uses unsafe Perl scripts to support subcommands such as cvsserver, which allows attackers to execute arbitrary OS commands via shell metacharacters in a module name. The vulnerable code is reachable via git-shell even without CVS support.

Reference Links(if available):

  • https://www.debian.org/security/2017/dsa-3984
  • https://public-inbox.org/git/[email protected]/T/#u
  • https://lists.debian.org/debian-security-announce/2017/msg00246.html
  • https://bugs.debian.org/876854
  • http://www.openwall.com/lists/oss-security/2017/09/26/9
  • CVSS Score (if available)

    v2: / HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

    v3: / HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

    Links to Exploits(if available)