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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: "ubuntu-security-announce@lists.ubuntu.com"
 <ubuntu-security-announce@lists.ubuntu.com>
Message-ID: <5830721b-4b6a-29a5-e225-c54e5949d8eb@canonical.com>
Subject: [USN-3952-1] Pacemaker vulnerabilities

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==========================================================================
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 PokornÜ discovered that Pacemaker incorrectly handled client-server
authentication. A local attacker could possibly use this issue to escalate
privileges. (CVE-2018-16877)

Jan PokornÜ 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 PokornÜ 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://usn.ubuntu.com/usn/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


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