Ubuntu 3952-1: Pacemaker vulnerabilities

    Date23 Apr 2019
    CategoryUbuntu
    2177
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Pacemaker.
    ==========================================================================
    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 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:
      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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