USN-3462-1: Pacemaker vulnerabilities

Ubuntu Security Notice USN-3462-1

24th October, 2017

pacemaker vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

Several security issues were fixed in Pacemaker.

Software description

  • pacemaker - Cluster resource manager

Details

Jan Pokorný and Alain Moulle discovered that Pacemaker incorrectly handled
the IPC interface. A local attacker could possibly use this issue to
execute arbitrary code with root privileges. (CVE-2016-7035)

Alain Moulle discovered that Pacemaker incorrectly handled authentication.
A remote attacker could possibly use this issue to shut down connections,
leading to a denial of service. This issue only affected Ubuntu 16.04 LTS.
(CVE-2016-7797)

Update instructions

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

Ubuntu 16.04 LTS:
pacemaker 1.1.14-2ubuntu1.2
Ubuntu 14.04 LTS:
pacemaker 1.1.10+git20130802-1ubuntu2.4

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.

References

CVE-2016-7035, CVE-2016-7797