Vulnerability CVE-2017-14867
Published: 2017-09-28   Modified: 2017-09-29

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.

Type:

CWE-78

 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') )

CVSS2 => (AV:N/AC:L/Au:S/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9/10
10/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
GIT -> GIT 
Debian -> Debian linux 

 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@gitster.mtv.corp.google.com/T/#u
https://www.debian.org/security/2017/dsa-3984
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