CVE-2024-34702
Botan X.509 Certificate Denial of Service Vulnerability
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.
INFO
Published Date :
July 8, 2024, 5:15 p.m.
Last Modified :
July 9, 2024, 6:19 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-34702.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2024-34702 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-34702 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Received by [email protected]
Jul. 08, 2024
Action Type Old Value New Value Added 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. Added Reference GitHub, Inc. https://github.com/randombit/botan/security/advisories/GHSA-5gg9-hqpr-r58j [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/pull/4034 [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/pull/4045 [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/pull/4047 [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/pull/4052 [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/pull/4186 [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/pull/4187 [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/commit/21dccc8fef18c165ba3301d850ac61521f85637e [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/commit/39535f13c322f56aa3da2f44b2b6abb8619a82ac [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/commit/477822a2d10f02d8ba46c9d8a5132f25843f5cc1 [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/commit/7606d70d3a2ac7114476ec2651ca0243c4536fdf [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/commit/c3264821b9f6286ee4e6e3e06826f6b7177e6d41 [No types assigned] Added Reference GitHub, Inc. https://github.com/randombit/botan/commit/ff704b12e6fa351aaedd07bffdc91722e84586b8 [No types assigned] Added CWE GitHub, Inc. CWE-405 Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-34702 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-34702
weaknesses.