CVE-2020-25654 Information

Description

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 Vector

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

Reference

https://lists.clusterlabs.org/pipermail/users/2020-October/027840.html https://bugzilla.redhat.com/show_bug.cgi?id=1888191 https://seclists.org/oss-sec/2020/q4/83 https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2