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Ubuntu 22.04 LTS USN-7614-1 important: pcs information leak

ubuntu
Calendar Grey July 3, 2025
Dist Ubuntu Esm H88
Multiple vulnerabilities in Ubuntu systems may pose risks of data breaches or unauthorized privilege escalations, highlighting the importance of timely system updates.
Several security issues were fixed in pcs.

Summary

Several security issues were fixed in pcs.

Software Description:

- pcs: Pacemaker Configuration System

Details:

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 affe...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory information leak privilege escalation important ubuntu pcs

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS
  pcs                             0.10.11-2ubuntu3+esm1
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  pcs                             0.10.4-3ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  pcs                             0.9.149-1ubuntu1.1+esm1
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7614-1

CVE-2017-2661, CVE-2018-1086, CVE-2022-1049, CVE-2022-2735

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7614-1

Topics%20covered

Topics Covered

security advisory information leak privilege escalation important ubuntu pcs

Package Information

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