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Ubuntu Security Notice USN-3462-1
October 24, 2017

pacemaker vulnerabilities
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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 versions:

Ubuntu 16.04 LTS:
pacemaker 1.1.14-2ubuntu1.2

Ubuntu 14.04 LTS:
pacemaker 1.1.10+git20130802-1ubuntu2.4

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

References:
https://www.ubuntu.com/usn/usn-3462-1
CVE-2016-7035, CVE-2016-7797

Package Information:
https://launchpad.net/ubuntu/+source/pacemaker/1.1.14-2ubuntu1.2
https://launchpad.net/ubuntu/+source/pacemaker/1.1.10+git20130802-1ubuntu2.4

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