Vulnerability identifier: #VU71240

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41953

CWE-ID: CWE-426

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 insecure implementation of the Git GUI's Clone function, which automatically searches and  executes the aspell.exe file after cloning the repository. A remote attacker can trick the victim into cloning a malicious repository and execute arbitrary code on the system by including the malicious aspell.exe file into the repository.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Git for Windows: 2.39.0 - 2.39.0.2

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External links
http://github.com/git-for-windows/git/releases/tag/v2.39.1.windows.1
http://github.com/git-for-windows/git/security/advisories/GHSA-v4px-mx59-w99c

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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.