CVE-2020-25654

An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration.

CVSS v3.0 7.2 HIGH
CVSS v2.0 9.0 HIGH

7.2^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://lists.clusterlabs.org/pipermail/users/2020-October/027840.html	Mailing List Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1888191	Issue Tracking Third Party Advisory
https://seclists.org/oss-sec/2020/q4/83	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:clusterlabs:pacemaker:2.0.5:rc1::::::
	cpe:2.3:a:clusterlabs:pacemaker::::::::
	cpe:2.3:a:clusterlabs:pacemaker::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2020-11-24 12:15

Updated : 2022-10-21 12:23

NVD link : CVE-2020-25654

Mitre link : CVE-2020-25654

JSON object : View

CWE

CWE-284

Improper Access Control

Products Affected

debian

debian_linux

clusterlabs

pacemaker

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7.2 /10