CVE-2017-14867

Name	CVE-2017-14867
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-1120-1, DSA-3984-1
NVD severity	high
Debian Bugs	876854

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
git (PTS)	stretch (security), stretch	1:2.11.0-3+deb9u7	fixed
	buster, buster (security)	1:2.20.1-2+deb10u3	fixed
	bullseye, sid	1:2.30.1-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
git	source	wheezy	1:1.7.10.4-1+wheezy6	DLA-1120-1
git	source	jessie	1:2.1.4-2.1+deb8u5	DSA-3984-1
git	source	stretch	1:2.11.0-3+deb9u2	DSA-3984-1
git	source	(unstable)	1:2.14.2-1		876854

https://www.openwall.com/lists/oss-security/2017/09/26/9
https://public-inbox.org/git/xmqqy3p29ekj.fsf@gitster.mtv.corp.google.com/T/#u