1. Ubuntu Security Notices
  2. USN-4623-1

USN-4623-1: Pacemaker vulnerability

Publication date

9 November 2020

Overview

Pacemaker could be made to run programs as an administrator.

Releases

Packages

Details

Ken Gaillot discovered that Pacemaker incorrectly handled IPC
communications permissions. A local attacker could possibly use this issue
to bypass ACL restrictions and execute arbitrary code as root.

Ken Gaillot discovered that Pacemaker incorrectly handled IPC
communications permissions. A local attacker could possibly use this issue
to bypass ACL restrictions and execute arbitrary code as root.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.10 groovy pacemaker –  2.0.4-2ubuntu3.1
20.04 focal pacemaker –  2.0.3-3ubuntu4.1
18.04 bionic pacemaker –  1.1.18-0ubuntu1.3
16.04 xenial pacemaker –  1.1.14-2ubuntu1.9

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References

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