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MEDIUM

ceph: secure mode of msgr2 breaks both confidentiality and integrity aspects for long-lived sessions

Published Apr 13, 2020

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 products

Remediation

Red Hat statement

Red Hat Ceph Storage 4 and Red Hat Openshift Container Storage 4.2 are affected by this vulnerability as reuse of a nonce is possible with the shipped versions of ceph. Red Hat Ceph Storage 2 and 3 are not affected by this vulnerability as they do not provide support for secure mode of messenger v2 protocol. This issue did not affect the versions of ceph as shipped with Red Hat Enterprise Linux 8 as they did not include support for secure mode of messenger v2 protocol.

Red Hat mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Weaknesses (2)

CWE-323

CWE-330

Insufficient Randomness

References (9)

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED
Assigner redhat
Published Apr 13, 2020
Updated Aug 4, 2024
Reserved Nov 27, 2019
Link CVE-2020-1759

CISA Vulnrichment

No data

NVD

Status Modified
Modified Jun 17, 2026
Link CVE-2020-1759

Red Hat

Severity Moderate
Public date Apr 6, 2020
Bugzilla 1811712
Link CVE-2020-1759

ENISA EUVD

Assigner redhat
Published Apr 13, 2020
Updated Aug 4, 2024
Link EUVD-2020-12587

GitHub

No data