Input validation error in Git - CVE-2014-9938
Published: March 20, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39436
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2014-9938
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Git
Affected software:
Git
Git
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
contrib/completion/git-prompt.sh in Git before 1.9.3 does not sanitize branch names in the PS1 variable, allowing a malicious repository to cause code execution.
How to mitigate CVE-2014-9938
Install update from vendor's website.