PT-2022-4669 · Unknown+8 · Corosync/Pacemaker Pcs+8

Ondrej Mular · Published 2022-09-01 · Updated 2025-09-04 · CVE-2022-2735

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions corosync/pacemaker PCS (affected versions not specified)

Description The issue is related to insufficient authentication procedure in the corosync/pacemaker PCS utility, which can be exploited by a remote attacker to escalate privileges. This occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons, allowing an attacker to obtain an authentication token for a hacluster user and gain complete control over the cluster managed by PCS.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

ALSA-2022:6313

ALSA-2022:6314

ALT-PU-2022-3215

ALT-PU-2023-5630

ALT-PU-2024-7827

BDU:2022-05554

CESA-2022_6314

CVE-2022-2735

DSA-5226-1

OESA-2022-1961

RHSA-2022:6312

RHSA-2022:6313

RHSA-2022:6314

RHSA-2022:6341

RHSA-2022_6313

RHSA-2022_6314

RLSA-2022:6313

RLSA-2022:6314

ROSA-SA-2023-2240

USN-7614-1

Affected Products

Alt Linux

Almalinux

Centos

Linuxmint

Red Hat

Red Os

Rocky Linux

Ubuntu

Corosync/Pacemaker Pcs

References · 43

• https://nvd.nist.gov/vuln/detail/CVE-2022-2735 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2116815 · Patch
• https://osv.dev/vulnerability/OESA-2022-1961 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7614-1 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2022:6314 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2022-6314.html · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2022:6313 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7614-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-2735 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2022:6313 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5226-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-2735 · Security Note
• https://bdu.fstec.ru/vul/2022-05554 · Security Note
• https://errata.almalinux.org/9/ALSA-2022-6313.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-1086 · Vendor Advisory