CVE-2022-2735

HIGH

PCS 0.10.5-0.11.2 - Privilege Escalation via Incorrect Unix Socket Permissions

Title source: llm
STIX 2.1

Description

A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the "hacluster" token, this flaw allows an attacker to have complete control over the cluster managed by PCS.

References (4)

Core 4
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=2116815
Mailing List, Release Notes, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2022/09/01/4
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5226
Third Party Advisory x_refsource_misc
https://access.redhat.com/security/cve/CVE-2022-2735

Scores

CVSS v3 7.8
EPSS 0.0005
EPSS Percentile 16.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-276
Status published
Products (2)
clusterlabs/pcs 0.10.5 - 0.11.3
debian/debian_linux 11.0
Published Sep 06, 2022
Tracked Since Feb 18, 2026