CVE-2020-25654

high

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1888191

https://lists.clusterlabs.org/pipermail/users/2020-October/027840.html

https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html

https://seclists.org/oss-sec/2020/q4/83

Details

Source: MITRE

Published: 2020-11-24

Updated: 2021-03-04

Type: CWE-284

Risk Information

CVSS v2

Base Score: 9

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

Impact Score: 10

Exploitability Score: 8

Severity: HIGH

CVSS v3

Base Score: 7.2

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

Impact Score: 5.9

Exploitability Score: 1.2

Severity: HIGH