Vulnerability Details : CVE-2018-16877
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.
Vulnerability category: BypassGain privilege
Exploit prediction scoring system (EPSS) score for CVE-2018-16877
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 8 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-16877
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
8.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
2.0
|
6.0
|
Red Hat, Inc. |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-16877
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2018-16877
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HR6QUYGML735EI3HEEHYRDW7EG73BUH2/
[SECURITY] Fedora 30 Update: pacemaker-2.0.1-2.fc30 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://usn.ubuntu.com/3952-1/
USN-3952-1: Pacemaker vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html
[SECURITY] [DLA 2519-1] pacemaker security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FY4M4RMIG2POKC6OOFQODGKPRYXHET2F/
[SECURITY] Fedora 29 Update: pacemaker-2.0.0-5.fc29 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16877
1652646 – (CVE-2018-16877) CVE-2018-16877 pacemaker: Insufficient local IPC client-server authentication on the client's side can lead to local privescIssue Tracking;Patch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3GCWFO7GL6MBU6C4BGFO3P6L77DIBBF3/
[SECURITY] Fedora 28 Update: pacemaker-1.1.18-3.fc28 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:1278
RHSA-2019:1278 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.securityfocus.com/bid/108042
Pacemaker CVE-2018-16877 Local Privilege Escalation VulnerabilityBroken Link
-
https://access.redhat.com/errata/RHSA-2019:1279
RHSA-2019:1279 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://security.gentoo.org/glsa/202309-09
Pacemaker: Multiple Vulnerabilities (GLSA 202309-09) — Gentoo security
-
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00034.html
[security-announce] openSUSE-SU-2019:1400-1: important: Security updateMailing List;Third Party Advisory
-
https://github.com/ClusterLabs/pacemaker/pull/1749
High: cumulative patchset to fix CVE-2019-3885, CVE-2018-16877, CVE-2018-16878 + additional unmasked null pointer deref by jnpkrn · Pull Request #1749 · ClusterLabs/pacemaker · GitHubPatch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00012.html
[security-announce] openSUSE-SU-2019:1342-1: important: Security updateMailing List;Third Party Advisory
Products affected by CVE-2018-16877
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
- cpe:2.3:a:clusterlabs:pacemaker:*:*:*:*:*:*:*:*