ALAS2-2019-1275

Amazon Linux 2 Security Advisory: ALAS-2019-1275
Advisory Release Date: 2019-08-23 03:37 Pacific
Advisory Updated Date: 2019-08-27 21:25 Pacific
Severity: Important
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