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CVE-2024-34702

5.3 · MEDIUM

Botan is a C++ cryptography library.

Published Jul 8, 2024CWE-405EPSS 0.84%

Overview

CVE-2024-34702 is a medium-severity vulnerability. It was published on July 8, 2024 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Botan is a C++ cryptography library. X.509 certificates can identify elliptic curves using either an object identifier or using explicit encoding of the parameters. Prior to 3.5.0 and 2.19.5, checking name constraints in X.509 certificates is quadratic in the number of names and name constraints. An attacker who presented a certificate chain which contained a very large number of names in the SubjectAlternativeName, signed by a CA certificate which contained a large number of name constraints, could cause a denial of service. The problem has been addressed in Botan 3.5.0 and a partial backport has also been applied and is included in Botan 2.19.5.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/randombit/botan/commit/21dccc8fef18c165ba3301d850ac61521f85637eGitHubgithub.com/randombit/botan/commit/39535f13c322f56aa3da2f44b2b6abb8619a82acGitHubgithub.com/randombit/botan/commit/477822a2d10f02d8ba46c9d8a5132f25843f5cc1GitHubgithub.com/randombit/botan/commit/7606d70d3a2ac7114476ec2651ca0243c4536fdfGitHubgithub.com/randombit/botan/commit/c3264821b9f6286ee4e6e3e06826f6b7177e6d41GitHubgithub.com/randombit/botan/commit/ff704b12e6fa351aaedd07bffdc91722e84586b8GitHubgithub.com/randombit/botan/pull/4034GitHubgithub.com/randombit/botan/pull/4045GitHubgithub.com/randombit/botan/pull/4047GitHubgithub.com/randombit/botan/pull/4052

How CyberStrike helps

Frequently asked questions

What is CVE-2024-34702?

CVE-2024-34702 is a medium-severity vulnerability. It was published on July 8, 2024 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2024-34702?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-34702?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-34702?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-34702 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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