Oracle Linux 8 : pacemaker (ELSA-2020-5487)

high Nessus Plugin ID 144563

Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5487 advisory.

- 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. (CVE-2020-25654)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected pacemaker-cluster-libs, pacemaker-libs and / or pacemaker-schemas packages.

See Also

https://linux.oracle.com/errata/ELSA-2020-5487.html

Plugin Details

Severity: High

ID: 144563

File Name: oraclelinux_ELSA-2020-5487.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/23/2020

Updated: 12/24/2020

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2020-25654

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:pacemaker-cluster-libs, p-cpe:/a:oracle:linux:pacemaker-libs, p-cpe:/a:oracle:linux:pacemaker-schemas

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 12/22/2020

Vulnerability Publication Date: 11/24/2020

Reference Information

CVE: CVE-2020-25654