CVE-2018-16877

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org
Affected: ClusterLabs pacemaker
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16877 patch third party advisory issue tracking
https://github.com/ClusterLabs/pacemaker/pull/1749 third party advisory patch
https://usn.ubuntu.com/3952-1/ third party advisory vendor advisory
http://www.securityfocus.com/bid/108042 vdb entry broken link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HR6QUYGML735EI3HEEHYRDW7EG73BUH2/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GCWFO7GL6MBU6C4BGFO3P6L77DIBBF3/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FY4M4RMIG2POKC6OOFQODGKPRYXHET2F/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00012.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00034.html vendor advisory mailing list third party advisory
https://access.redhat.com/errata/RHSA-2019:1278 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:1279 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html third party advisory mailing list
https://security.gentoo.org/glsa/202309-09 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-16877?
CVE-2018-16877 has been scored as a high severity vulnerability.
How to fix CVE-2018-16877?
To fix CVE-2018-16877, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-16877 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-16877 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-16877?
CVE-2018-16877 affects ClusterLabs pacemaker.
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