Description
A flaw was found in the way pacemaker's client-server authentication was implemented in versions up to and including 2.0.0. A local attacker could use this flaw, and combine it with other IPC weaknesses, to achieve local privilege escalation.
References (13)
Core 13
Core References
Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16877
Patch, Third Party Advisory
https://github.com/ClusterLabs/pacemaker/pull/1749
Third Party Advisory vendor-advisory
https://usn.ubuntu.com/3952-1/
Broken Link vdb-entry
http://www.securityfocus.com/bid/108042
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HR6QUYGML735EI3HEEHYRDW7EG73BUH2/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GCWFO7GL6MBU6C4BGFO3P6L77DIBBF3/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FY4M4RMIG2POKC6OOFQODGKPRYXHET2F/
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00012.html
Mailing List, Third Party Advisory vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00034.html
Third Party Advisory vendor-advisory
https://access.redhat.com/errata/RHSA-2019:1278
Third Party Advisory vendor-advisory
https://access.redhat.com/errata/RHSA-2019:1279
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202309-09
Scores
CVSS v3
7.8
EPSS
0.0004
EPSS Percentile
12.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-287
Status
published
Products (22)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
18.10
canonical/ubuntu_linux
19.04
clusterlabs/pacemaker
< 2.0.0
debian/debian_linux
9.0
fedoraproject/fedora
28
fedoraproject/fedora
29
fedoraproject/fedora
30
opensuse/leap
15.0
... and 12 more
Published
Apr 18, 2019
Tracked Since
Feb 18, 2026