Vulnerability · Published Apr 13, 2020 · Assigned by redhat

CVE-2020-1759

Medium 6.4

In plain English

A medium-severity security flaw in ceph from The Ceph Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.4Medium

Exploit odds (30 days)1.6%top 23.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	ceph	14.2.9-1	DEBIAN-CVE-2020-1759
Debian:13	ceph	14.2.9-1	DEBIAN-CVE-2020-1759
Debian:14	ceph	14.2.9-1	DEBIAN-CVE-2020-1759

Affected products (as reported)

Vendor	Product	Versions
The Ceph Project	ceph	Red Hat Ceph Storage 4Red Hat Openshift Container Storage 4.2

Weakness: CWE-323 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1759 x_refsource_CONFIRM
FEDORA-2020-81b9c6cddc vendor-advisory, x_refsource_FEDORA
GLSA-202105-39 vendor-advisory, x_refsource_GENTOO