Vulnerability in Linuxfoundation Ceph
CVE-2020-1759
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.016 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Linuxfoundation Ceph
- The Ceph Project — versions Red Hat Ceph Storage 4, Red Hat Openshift Container Storage 4.2
- Fedoraproject Fedora — versions 31
- Red Hat Ceph Storage — versions 4.0
- Red Hat Openshift — versions 4.2
- Red Hat OpenStack — versions 15
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202105-39 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-1759?
- CVE-2020-1759 is a medium-severity vulnerability in Linuxfoundation Ceph, classified under Reusing a Nonce, Key Pair in Encryption. CVSS score: 6.4/10. Published 2020-04-13.
- How severe is CVE-2020-1759?
- Medium severity. CVSS v3 base score is 6.4 out of 10.