=========================================================================Ubuntu Security Notice USN-3952-1
April 23, 2019
pacemaker vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Pacemaker.
Software Description:
- 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 LTS:
pacemaker 1.1.18-0ubuntu1.1
Ubuntu 16.04 LTS:
pacemaker 1.1.14-2ubuntu1.6
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-3952-1
CVE-2018-16877, CVE-2018-16878, CVE-2019-3885
Package Information:
https://launchpad.net/ubuntu/+source/pacemaker/1.1.18-2ubuntu1.19.04.1
https://launchpad.net/ubuntu/+source/pacemaker/1.1.18-2ubuntu1.18.10.1
https://launchpad.net/ubuntu/+source/pacemaker/1.1.18-0ubuntu1.1
https://launchpad.net/ubuntu/+source/pacemaker/1.1.14-2ubuntu1.6
