Improper Certificate Validation Affecting cockpit-system package, versions <0:264.1-1.el8


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-ALMALINUX8-COCKPITSYSTEM-5641093
  • published28 May 2023
  • disclosed10 May 2022

Introduced: 10 May 2022

CVE-2021-3698  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 cockpit-system to version 0:264.1-1.el8 or higher.
This issue was patched in ALSA-2022:2008.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cockpit-system package and not the cockpit-system package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.

CVSS Base Scores

version 3.1