USN-3952-1: Pacemaker vulnerabilities

USN-3952-1: Pacemaker vulnerabilities

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
pacemaker1.1.18-2ubuntu1.19.04.1
Ubuntu 18.10
pacemaker1.1.18-2ubuntu1.18.10.1
Ubuntu 18.04 LTS
pacemaker1.1.18-0ubuntu1.1
Ubuntu 16.04 LTS
pacemaker1.1.14-2ubuntu1.6

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

Source: USN-3952-1: Pacemaker vulnerabilities

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