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 (attack range: remote)
Debian Bugs	876854

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
git (PTS)	jessie	1:2.1.4-2.1+deb8u6	fixed
	jessie (security)	1:2.1.4-2.1+deb8u7	fixed
	stretch (security), stretch	1:2.11.0-3+deb9u4	fixed
	buster	1:2.20.1-2	fixed
	bullseye, sid	1:2.23.0-1	fixed

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

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

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