Improper Authentication Affecting ceph-mon package, versions <2:14.2.22-110.el7cp


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.44% (37th percentile)

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  • Snyk IDSNYK-RHEL7-CEPHMON-4408466
  • published13 Jan 2022
  • disclosed11 Jan 2022

Introduced: 11 Jan 2022

CVE-2021-3979  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade RHEL:7 ceph-mon to version 2:14.2.22-110.el7cp or higher.
This issue was patched in RHSA-2022:1716.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ceph-mon package and not the ceph-mon package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A key length flaw was found in Red Hat Ceph Storage. An attacker can exploit the fact that the key length is incorrectly passed in an encryption algorithm to create a non random key, which is weaker and can be exploited for loss of confidentiality and integrity on encrypted disks.

CVSS Base Scores

version 3.1