Multiple vulnerabilities in Botan

Published: 2024-07-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-39312 CVE-2024-34702
CWE-ID	CWE-295 CWE-405
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #2 is available.
Vulnerable software	Botan Universal components / Libraries / Libraries used by multiple products
Vendor	Randombit

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Certificate Validation

EUVDB-ID: #VU94669

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 - Improper Certificate Validation

Exploit availability: No

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 - 3.4.0

CPE2.3

External links

https://github.com/randombit/botan/security/advisories/GHSA-jp24-56jm-gg86

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.

2) Asymmetric Resource Consumption (Amplification)

EUVDB-ID: #VU94671

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 - Asymmetric Resource Consumption (Amplification)