Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Clusterlabs | Pacemaker | <= 2.0.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Fedoraproject | Fedora | 28 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Eus | 8.1 |
| Redhat | Enterprise Linux Server Aus | 8.2 |
| Redhat | Enterprise Linux Server Tus | 8.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00012.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00034.htmlMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/108042Broken Link
- https://access.redhat.com/errata/RHSA-2019:1278Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1279Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16877Issue TrackingPatchThird Party Advisory
- https://github.com/ClusterLabs/pacemaker/pull/1749PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00007.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202309-09
- https://usn.ubuntu.com/3952-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00012.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00034.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-16877?
CVE-2018-16877 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 weakness...
How severe is CVE-2018-16877?
CVE-2018-16877 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-16877?
Check the references section above for vendor advisories and patch information. Affected products include: Clusterlabs Pacemaker, Canonical Ubuntu Linux, Fedoraproject Fedora, Debian Debian Linux, Opensuse Leap.