Reusing a Nonce The advisory has been revoked - it doesn't affect any version of package ceph (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-CEPH-9839170
- published28 Apr 2025
- disclosed6 Apr 2020
Introduced: 6 Apr 2020
CVE-2020-1759 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ceph package and not the ceph package as distributed by RHEL.
A vulnerability was found in Red Hat Ceph Storage 4 and Red Hat Openshift Container Storage 4.2 where, A nonce reuse vulnerability was discovered in the secure mode of the messenger v2 protocol, which can allow an attacker to forge auth tags and potentially manipulate the data by leveraging the reuse of a nonce in a session. Messages encrypted using a reused nonce value are susceptible to serious confidentiality and integrity attacks.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1811712
- https://access.redhat.com/security/cve/CVE-2020-1759
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3A2UFR5IUIEXJUCF64GQ5OVLCZGODXE/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1759
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3A2UFR5IUIEXJUCF64GQ5OVLCZGODXE/
- https://security.gentoo.org/glsa/202105-39