#VU79631 Input validation error in GitPython - CVE-2023-40267

Vulnerability identifier: #VU79631

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-40267

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GitPython
Other software / Other software solutions

Vendor: gitpython-developers

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and compromise the affected system.

Note, the vulnerability exists due to incomplete fix for CVE-2022-24439.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GitPython: 3.1.0 - 3.1.31

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External links
https://github.com/gitpython-developers/GitPython/commit/ca965ecc81853bca7675261729143f54e5bf4cdd
https://github.com/gitpython-developers/GitPython/pull/1609

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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.