Vulnerability identifier: #VU96994

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-34703

CWE-ID: CWE-400

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 perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when parsing X.509 certificates. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Botan: 3.2.0, 3.1.0 - 3.1.1, 3.0.0, 2.19.0 - 2.19.3, 2.18.0 - 2.18.2, 2.17.0 - 2.17.3, 2.16.0, 2.15.0, 2.14.0, 2.13.0, 2.12.0 - 2.12.1, 2.11.0, 2.10.0, 2.9.0, 2.8.0, 2.4.0, 2.3.0, 2.2.0, 2.0.0 - 2.0.1, 2.7.0, 2.6.0, 2.5.0, 2.1.0

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External links
http://github.com/randombit/botan/security/advisories/GHSA-w4g2-7m2h-7xj7
http://github.com/randombit/botan/commit/08c404b23740babee1f6aa51b54e966029aadee4
http://github.com/randombit/botan/commit/94e9154c143aa5264da6254a6a1be5bc66ee2b5a

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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.