CVE-2021-3698Improper Certificate Validation in Cockpit

Severity
7.5HIGHNVD
EPSS
0.1%
top 70.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 10
Latest updateMar 11

Description

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

Debianagentejo/cockpit< 260-1+2
CVEListV5agentejo/cockpitcockpit versions prior to 260
CVEListV5cockpit-project/cockpitcockpit versions prior to 260

Also affects: Enterprise Linux 8.0

🔴Vulnerability Details

3
GHSA
GHSA-w9ph-5m4x-c49r: 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 Daem2022-03-11
OSV
CVE-2021-3698: 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 Daem2022-03-10
CVEList
CVE-2021-3698: 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 Daem2022-03-08

📋Vendor Advisories

3
Microsoft
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 to2022-03-08
Red Hat
cockpit: authenticates with revoked certificates2021-08-27
Debian
CVE-2021-3698: cockpit - A flaw was found in Cockpit in versions prior to 260 in the way it handles the c...2021
CVE-2021-3698 — Improper Certificate Validation | cvebase