Improper Protection Against Physical Side Channels Affecting gnutls package, versions <0:3.7.6-23.el9_3.3
Threat Intelligence
EPSS
0.13% (49th
percentile)
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Test your applications- Snyk ID SNYK-RHEL9-GNUTLS-6091743
- published 28 Nov 2023
- disclosed 15 Nov 2023
How to fix?
Upgrade RHEL:9 gnutls to version 0:3.7.6-23.el9_3.3 or higher.
This issue was patched in RHSA-2024:0533.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnutls package and not the gnutls package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
References
- https://access.redhat.com/security/cve/CVE-2023-5981
- https://bugzilla.redhat.com/show_bug.cgi?id=2248445
- https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23
- http://www.openwall.com/lists/oss-security/2024/01/19/3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
- https://access.redhat.com/errata/RHSA-2024:0533
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
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