Several security issues were fixed in Pacemaker.
Jan Pokorný discovered that Pacemaker incorrectly handled client-server authentication. A local attacker could possibly use this issue to escalate privileges. (CVE-2018-16877)
23 April 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Pacemaker.
Jan Pokorný discovered that Pacemaker incorrectly handled client-server authentication. A local attacker could possibly use this issue to escalate privileges. (CVE-2018-16877)
Jan Pokorný discovered that Pacemaker incorrectly handled certain verifications. A local attacker could possibly use this issue to cause a denial of service. (CVE-2018-16878)
Jan Pokorný discovered that Pacemaker incorrectly handled certain memory operations. A local attacker could possibly use this issue to obtain sensitive information in log outputs. This issue only applied to Ubuntu 18.04 LTS, Ubuntu 18.10, and Ubuntu 19.04. (CVE-2019-3885)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon