CVE-2017-14867 : 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 unsaf

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.

Published 2017-09-29 01:34:50

Updated 2021-01-26 14:55:39

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2017-14867

EPSS FAQ

0.31%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 67 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-14867

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.0	HIGH	AV:N/AC:L/Au:S/C:C/I:C/A:C	8.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
8.8	HIGH	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2017-14867

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-14867

https://public-inbox.org/git/xmqqy3p29ekj.fsf@gitster.mtv.corp.google.com/T/#u

[ANNOUNCE] Git v2.13.6 and others
Mailing List;Vendor Advisory
https://bugs.debian.org/876854

#876854 - git: CVE-2017-14867: cvsserver OS command injection - Debian Bug report logs
Issue Tracking;Mailing List;Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/09/26/9

oss-security - Advisory: Git cvsserver OS Command Injection
Mailing List;Third Party Advisory
https://www.debian.org/security/2017/dsa-3984

Debian -- Security Information -- DSA-3984-1 git
Third Party Advisory
http://www.securitytracker.com/id/1039431

Git Command Injection Bug in 'git-cvsserver' Lets Remote Authenticated Users Gain Elevated Privileges - SecurityTracker
Third Party Advisory;VDB Entry
https://lists.debian.org/debian-security-announce/2017/msg00246.html

[SECURITY] [DSA 3984-1] git security update
Mailing List;Third Party Advisory
http://www.securityfocus.com/bid/101060

Git CVE-2017-14867 OS Command Injection Vulnerability
Third Party Advisory;VDB Entry

Products affected by CVE-2017-14867

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT
Versions up to, including, (<=) 2.10.4
cpe:2.3:a:git-scm:git:*:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.11.0
cpe:2.3:a:git-scm:git:2.11.0:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.11.1
cpe:2.3:a:git-scm:git:2.11.1:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.13.1
cpe:2.3:a:git-scm:git:2.13.1:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.13.2
cpe:2.3:a:git-scm:git:2.13.2:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.12.1
cpe:2.3:a:git-scm:git:2.12.1:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.12.2
cpe:2.3:a:git-scm:git:2.12.2:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.14.0
cpe:2.3:a:git-scm:git:2.14.0:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.12.3
cpe:2.3:a:git-scm:git:2.12.3:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.13.0
cpe:2.3:a:git-scm:git:2.13.0:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.11.2
cpe:2.3:a:git-scm:git:2.11.2:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.12.0
cpe:2.3:a:git-scm:git:2.12.0:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.13.3
cpe:2.3:a:git-scm:git:2.13.3:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.13.4
cpe:2.3:a:git-scm:git:2.13.4:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.13.5
cpe:2.3:a:git-scm:git:2.13.5:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.14.1
cpe:2.3:a:git-scm:git:2.14.1:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.11.3
cpe:2.3:a:git-scm:git:2.11.3:*:*:*:*:*:*:*
Matching versions
Git-scm » GIT » Version: 2.12.4
cpe:2.3:a:git-scm:git:2.12.4:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2017-14867

Exploit prediction scoring system (EPSS) score for CVE-2017-14867

CVSS scores for CVE-2017-14867

CWE ids for CVE-2017-14867

References for CVE-2017-14867

Products affected by CVE-2017-14867