Detections
Analytics

CentOS 8 : polkit (CESA-2021:2238)

high Nessus Plugin ID 150384

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Synopsis

The remote CentOS host is missing a security update.

Description

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:2238 advisory.

 - polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync() (CVE-2021-3560)

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 packages.

See Also

https://access.redhat.com/errata/RHSA-2021:2238

Plugin Details

Severity: High

ID: 150384

File Name: centos8_RHSA-2021-2238.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/9/2021

Updated: 12/27/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2021-3560

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:8, cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:polkit, p-cpe:/a:centos:centos:polkit-devel, p-cpe:/a:centos:centos:polkit-docs, p-cpe:/a:centos:centos:polkit-libs

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/3/2021

Vulnerability Publication Date: 6/3/2021

CISA Known Exploited Vulnerability Due Dates: 6/2/2023

Exploitable With

Metasploit (Polkit D-Bus Authentication Bypass)

Reference Information

CVE: CVE-2021-3560

RHSA: 2021:2238