CVE-2022-2735

Affected: ClusterLabs/pcs

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.

USN-7614-1 — pcs vulnerabilities

Affected: Ubuntu:Pro:16.04:LTS: pcs, Ubuntu:Pro:20.04:LTS: pcs, Ubuntu:Pro:22.04:LTS: pcs

Cedric Buissart discovered that pcs did not correctly handle certain parameters. An attacker could possibly use this issue to leak sensitive information or elevate their privileges. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-1086)

Ondrej Mular discovered that pcs did not correctly handle Unix socket permissions. An attacker could possibly use this issue to elevate their privileges. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-2735)

It was discovered that pcs did not correctly handle PAM authentication. An attacker could possibly use this issue to bypass authentication mechanisms. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-1049)

It was discovered that pcs did not correctly handle the validation of Node names. An attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 LTS. (CVE-2017-2661)

Most recent entries from all

CVE-2022-2735

USN-7614-1 — pcs vulnerabilities