CVE-2020-25654 – pacemaker: ACL restrictions bypass

https://notcve.org/view.php?id=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. Se encontró un fallo de omisión de ACL en pacemaker. Un atacante que tenga una cuenta local en el clúster y en el grupo haclient podría usar la comunicación IPC con varios demonios directamente para llevar a cabo determinadas tareas que las ACL no podrían hacer si pasaran por la configuración An ACL bypass flaw was found in Pacemaker. This flaw allows an attacker with a local account on the cluster and in the haclient group to use IPC communication with various daemons to directly perform certain tasks that would be prevented if they had gone through configured ACLs. • 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 https://security.gentoo.org/glsa/202309-09 https://access.redhat.com/security/cve/CVE-2020-25654 • CWE-284: Improper Access Control •