CVE Vulnerabilities

CVE-2020-1759

Reusing a Nonce, Key Pair in Encryption

Published: Apr 13, 2020 | Modified: Aug 04, 2021
CVSS 3.x
6.8
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS 2.x
5.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N
RedHat/V2
RedHat/V3
6.4 MODERATE
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Ubuntu

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.

Weakness

Nonces should be used for the present occasion and only once.

Affected Software

Name Vendor Start Version End Version
Ceph_storage Redhat 4.0 4.0
Openshift Redhat 4.2 4.2
Openstack Redhat 15 15
Red Hat Ceph Storage 4.1 RedHat ceph-2:14.2.8-111.el8cp *
Red Hat Ceph Storage 4.1 RedHat ceph-ansible-0:4.0.31-1.el7cp *
Ceph Ubuntu eoan *
Ceph Ubuntu trusty *
Ceph Ubuntu upstream *

Potential Mitigations

References