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AlmaLinux 8 : pcs (ALSA-2022:6314)

high Nessus Plugin ID 165808

Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2022:6314 advisory.

 - A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the hacluster token, this flaw allows an attacker to have complete control over the cluster managed by PCS. (CVE-2022-2735)

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 pcs and / or pcs-snmp packages.

See Also

https://errata.almalinux.org/8/ALSA-2022-6314.html

Plugin Details

Severity: High

ID: 165808

File Name: alma_linux_ALSA-2022-6314.nasl

Version: 1.3

Type: local

Published: 10/8/2022

Updated: 11/29/2022

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2022-2735

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:alma:linux:pcs-snmp, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:pcs

Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 9/1/2022

Vulnerability Publication Date: 9/5/2022

Reference Information

CVE: CVE-2022-2735