Important: pacemaker

Issue Overview:

A flaw was found in pacemaker. An insufficient verification inflicted preference of uncontrolled processes can lead to DoS. (CVE-2018-16878)

A use-after-free flaw was found in pacemaker which could result in certain sensitive information to be leaked via the system logs. (CVE-2019-3885)

A flaw was found in the way pacemaker’s client-server authentication was implemented. A local attacker could use this flaw, and combine it with other IPC weaknesses, to achieve local privilege escalation. (CVE-2018-16877)

Affected Packages:

pacemaker

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update pacemaker to update your system.

New Packages:

aarch64:  
    pacemaker-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-cli-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-libs-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-cluster-libs-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-remote-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-libs-devel-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-cts-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-doc-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-nagios-plugins-metadata-1.1.20-5.amzn2.0.2.aarch64  
    pacemaker-debuginfo-1.1.20-5.amzn2.0.2.aarch64  
  
i686:  
    pacemaker-1.1.20-5.amzn2.0.2.i686  
    pacemaker-cli-1.1.20-5.amzn2.0.2.i686  
    pacemaker-libs-1.1.20-5.amzn2.0.2.i686  
    pacemaker-cluster-libs-1.1.20-5.amzn2.0.2.i686  
    pacemaker-remote-1.1.20-5.amzn2.0.2.i686  
    pacemaker-libs-devel-1.1.20-5.amzn2.0.2.i686  
    pacemaker-cts-1.1.20-5.amzn2.0.2.i686  
    pacemaker-doc-1.1.20-5.amzn2.0.2.i686  
    pacemaker-nagios-plugins-metadata-1.1.20-5.amzn2.0.2.i686  
    pacemaker-debuginfo-1.1.20-5.amzn2.0.2.i686  
  
src:  
    pacemaker-1.1.20-5.amzn2.0.2.src  
  
x86_64:  
    pacemaker-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-cli-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-libs-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-cluster-libs-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-remote-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-libs-devel-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-cts-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-doc-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-nagios-plugins-metadata-1.1.20-5.amzn2.0.2.x86_64  
    pacemaker-debuginfo-1.1.20-5.amzn2.0.2.x86_64  

Additional References

Red Hat: CVE-2018-16877, CVE-2018-16878, CVE-2019-3885

Mitre: CVE-2018-16877, CVE-2018-16878, CVE-2019-3885