USN-3952-1: Pacemaker vulnerabilities

Releases

• Ubuntu 19.04
• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• pacemaker - Cluster resource manager

Details

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)

Update instructions

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

Ubuntu 19.04

• pacemaker - 1.1.18-2ubuntu1.19.04.1

Ubuntu 18.10

• pacemaker - 1.1.18-2ubuntu1.18.10.1

Ubuntu 18.04

• pacemaker - 1.1.18-0ubuntu1.1

Ubuntu 16.04

• pacemaker - 1.1.14-2ubuntu1.6

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

References

• CVE-2018-16877
• CVE-2018-16878
• CVE-2019-3885