Arbitrary OS Command Execution via Unsafe Perl Scripts in Git

CVE-2017-14867 · HIGH Severity

AV:N/AC:L/AU:S/C:C/I:C/A:C

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.

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