Asymmetric Resource Consumption (Amplification) in Botan

Vulnerability identifier: #VU94671

Vulnerability risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2024-34702

CWE-ID: CWE-405

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 excessive name constraints. 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: 2.19.0 - 2.19.4, 3.0.0, 3.1.0 - 3.1.1, 3.2.0, 3.3.0, 3.4.0

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. However, proof of concept for this vulnerability is available.

#VU94671 Asymmetric Resource Consumption (Amplification) in Botan - CVE-2024-34702

Q & A

Latest bulletins with this vulnerability