#VU71238 Heap-based buffer overflow in Git for Windows - CVE-2022-41903

Vulnerability identifier: #VU71238

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/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-2022-41903

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Git for Windows
Other software / Other software solutions

Vendor: Git for Windows

Description

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

The vulnerability exists due to a boundary error during git archive invocation. A remote attacker can trick the victim into using the application against a specially crafted archive, 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Git for Windows: 2.0.0 - 2.39.0.2

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External links
https://github.com/git-for-windows/git/releases/tag/v2.39.1.windows.1
https://github.com/git-for-windows/git/releases/tag/v2.35.6.windows.1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.