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USN-3952-1: Pacemaker vulnerabilities

23 April 2019

Several security issues were fixed in Pacemaker.

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Releases

Packages

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 19.04
Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04

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