CVE-2017-14867

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 36.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-29 · updated 2026-06-17
Weakness: CWE-78

Description

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.

Affected products

Debian Linux: 8.0, 9.0
git: through 2.10.4; 2.11.0, 2.11.1, 2.11.2, 2.11.3, 2.12.0, 2.12.1 (+11)

References

http://www.openwall.com/lists/oss-security/2017/09/26/9
http://www.securityfocus.com/bid/101060
http://www.securitytracker.com/id/1039431
https://bugs.debian.org/876854
https://lists.debian.org/debian-security-announce/2017/msg00246.html
https://public-inbox.org/git/xmqqy3p29ekj.fsf%40gitster.mtv.corp.google.com/T/#u
https://www.debian.org/security/2017/dsa-3984
http://www.openwall.com/lists/oss-security/2017/09/26/9
http://www.securityfocus.com/bid/101060
http://www.securitytracker.com/id/1039431
https://bugs.debian.org/876854
https://lists.debian.org/debian-security-announce/2017/msg00246.html

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