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A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE flag, it can result in a noticeable step in nonce size from 513 to 512 bits, exposing a potential timing side-channel.
Reserved 2024-03-11 | Published 2024-03-21 | Updated 2025-05-21 | Assigner redhatUse of a Broken or Risky Cryptographic Algorithm
2024-03-11: | Reported to Red Hat. |
2024-03-21: | Made public. |
access.redhat.com/errata/RHSA-2024:1784 (RHSA-2024:1784)
access.redhat.com/errata/RHSA-2024:1879 (RHSA-2024:1879)
access.redhat.com/errata/RHSA-2024:1997 (RHSA-2024:1997)
access.redhat.com/errata/RHSA-2024:2044 (RHSA-2024:2044)
access.redhat.com/errata/RHSA-2024:2570 (RHSA-2024:2570)
access.redhat.com/errata/RHSA-2024:2889 (RHSA-2024:2889)
access.redhat.com/security/cve/CVE-2024-28834
bugzilla.redhat.com/show_bug.cgi?id=2269228 (RHBZ#2269228)
lists.gnupg.org/pipermail/gnutls-help/2024-March/004845.html
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