ESB-2017.2692 - [Ubuntu] pacemaker: Multiple vulnerabilities 2017-10-25

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2692
                         Pacemaker vulnerabilities
                              25 October 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           pacemaker
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Root Compromise   -- Existing Account      
                   Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-7797 CVE-2016-7035 

Reference:         ESB-2016.2796
                   ESB-2016.2684
                   ESB-2016.2633
                   ESB-2016.2596

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3462-1

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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

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