#VU96731 Improper Certificate Validation in python-certifi - CVE-2024-39689

Vulnerability identifier: #VU96731

Vulnerability risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-39689

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
python-certifi
Other software / Other software solutions

Vendor: Certifi

Description

The vulnerability allows a remote attacker to modify data on the system.

The vulnerability exists due to Certifi python-certifi provide weaker than expected security, caused by the use of GLOBALTRUST root certificate. A remote attacker can trigger the vulnerability to launch further attacks on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

python-certifi: 2022.05.18 - 2024.07.04

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External links
https://github.com/certifi/python-certifi/security/advisories/GHSA-248v-346w-9cwc
https://github.com/certifi/python-certifi/commit/bd8153872e9c6fc98f4023df9c2deaffea2fa463
https://groups.google.com/a/mozilla.org/g/dev-security-policy/c/XpknYMPO8dI

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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.