Heap-based buffer overflow in Git - CVE-2022-39260

 

Heap-based buffer overflow in Git - CVE-2022-39260

Published: October 19, 2022


Vulnerability identifier: #VU68518
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-2022-39260
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Git
Affected software:
Git

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the "git shell" command when handling untrusted input. A remote attacker can trick the victim to execute the affected command against a malicious repository, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2022-39260

Install updates from vendor's website.

Sources