Improper Certificate Validation Affecting openssl package, versions <1:3.0.7-16.el9_2
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Test your applications- Snyk ID SNYK-ALMALINUX9-OPENSSL-5738415
- published 26 Jun 2023
- disclosed 21 Jun 2023
Introduced: 21 Jun 2023
CVE-2023-0464 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 openssl to version 1:3.0.7-16.el9_2 or higher.
This issue was patched in ALSA-2023:3722.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
A security vulnerability has been identified in all supported versions
of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate chain that triggers exponential use of computational resources, leading to a denial-of-service (DoS) attack on affected systems.
Policy processing is disabled by default but can be enabled by passing
the -policy' argument to the command line utilities or by calling the X509_VERIFY_PARAM_set1_policies()' function.
References
- https://errata.almalinux.org/9/ALSA-2023-3722.html
- https://access.redhat.com/security/cve/CVE-2023-0464
- https://access.redhat.com/errata/RHSA-2023:3722
- https://security.netapp.com/advisory/ntap-20230406-0006/
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2017771e2db3e2b96f89bbe8766c3209f6a99545
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2dcd4f1e3115f38cefa43e3efbe9b801c27e642e
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=879f7080d7e141f415c79eaa3a8ac4a3dad0348b
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=959c59c7a0164117e7f8366466a32bb1f8d77ff1
- https://lists.debian.org/debian-lts-announce/2023/06/msg00011.html
- https://security.gentoo.org/glsa/202402-08
- https://security.netapp.com/advisory/ntap-20240621-0006/
- https://www.couchbase.com/alerts/
- https://www.debian.org/security/2023/dsa-5417
- https://www.openssl.org/news/secadv/20230322.txt