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SUSE SLED15 / SLES15 Security Update : polkit (SUSE-SU-2021:1843-1)

high Nessus Plugin ID 150257

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for polkit fixes the following issues :

CVE-2021-3560: Fixed a local privilege escalation using polkit_system_bus_name_get_creds_sync() (bsc#1186497).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE MicroOS 5.0 :

zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-1843=1

SUSE Linux Enterprise Module for Basesystem 15-SP3 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1843=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1843=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1186497

https://www.suse.com/security/cve/CVE-2021-3560/

http://www.nessus.org/u?8bbd1370

Plugin Details

Severity: High

ID: 150257

File Name: suse_SU-2021-1843-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 6/4/2021

Updated: 12/27/2023

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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: p-cpe:/a:novell:suse_linux:polkit-devel-debuginfo, p-cpe:/a:novell:suse_linux:polkit-debuginfo, p-cpe:/a:novell:suse_linux:libpolkit0, p-cpe:/a:novell:suse_linux:polkit, p-cpe:/a:novell:suse_linux:typelib-1_0-polkit, p-cpe:/a:novell:suse_linux:polkit-debugsource, p-cpe:/a:novell:suse_linux:libpolkit0-debuginfo, p-cpe:/a:novell:suse_linux:polkit-devel, cpe:/o:novell:suse_linux:15

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch 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