CVE-2018-16877

CVSS V2 Medium 4.6 CVSS V3 High 7.8

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.

Overview

CVE ID
CVE-2018-16877

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2019-04-18T18:29:00

Last Modified Date
2022-10-07T02:09:01

Weakness Enumerations

CWE	URL
CWE-287	http://cwe.mitre.org/data/definitions/287.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
cpe:2.3:a:clusterlabs:pacemaker::::::::	1	OR	2.0.0
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*	1	OR
cpe:2.3:o:canonical:ubuntu_linux:19.04:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:28:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:29:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:30:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:9.0:::::::*	1	OR
cpe:2.3:o:opensuse:leap:15.0:::::::*	1	OR
cpe:2.3:o:opensuse:leap:42.3:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
4.6

Severity
MEDIUM

Exploitability Score
3.9

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/ClusterLabs/pacemaker/pull/1749	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16877	Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3952-1/	Third Party Advisory
http://www.securityfocus.com/bid/108042	Third Party Advisory VDB Entry
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HR6QUYGML735EI3HEEHYRDW7EG73BUH2/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3GCWFO7GL6MBU6C4BGFO3P6L77DIBBF3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FY4M4RMIG2POKC6OOFQODGKPRYXHET2F/
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00034.html
https://access.redhat.com/errata/RHSA-2019:1279
https://access.redhat.com/errata/RHSA-2019:1278
https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-16877
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16877

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:28:28				Added to TrackCVE
2022-12-03 19:43:49	2019-04-18T18:29Z	2019-04-18T18:29:00	CVE Published Date	updated
2022-12-03 19:43:49		2022-10-07T02:09:01	CVE Modified Date	updated
2022-12-03 19:43:49		Analyzed	Vulnerability Status	updated