#VU71239 Integer overflow in Git for Windows - CVE-2022-23521

Vulnerability identifier: #VU71239

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-2022-23521

CWE-ID: CWE-190

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 compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input when parsing the .gitattributes attributes. A remote attacker can trick the victim into cloning a specially crafted repository and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Git for Windows: 2.0.0 - 2.39.0.2

---

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

---

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.