#VU94669 Improper Certificate Validation in Botan - CVE-2024-39312

Vulnerability identifier: #VU94669

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-39312

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Botan
Universal components / Libraries / Libraries used by multiple products

Vendor: Randombit

Description

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

The vulnerability exists due to the Name Constraint Decoding bug. A remote attacker can cause the target system to accept arbitrary certificates.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Botan: 2.19.0 - 2.19.4, 3.0.0, 3.1.0 - 3.1.1, 3.2.0, 3.3.0, 3.4.0

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External links
http://github.com/randombit/botan/security/advisories/GHSA-jp24-56jm-gg86

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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.