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Slackware Linux 15.0 / current polkit Vulnerability (SSA:2022-071-01)

medium Nessus Plugin ID 158886

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Synopsis

The remote Slackware Linux host is missing a security update to polkit.

Description

The version of polkit installed on the remote host is prior to 0.120. It is, therefore, affected by a vulnerability as referenced in the SSA:2022-071-01 advisory.

 - There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned (CVE-2021-4115)

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

Solution

Upgrade the affected polkit package.

Plugin Details

Severity: Medium

ID: 158886

File Name: Slackware_SSA_2022-071-01.nasl

Version: 1.3

Type: local

Published: 3/13/2022

Updated: 11/6/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2021-4115

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:slackware:slackware_linux:polkit, cpe:/o:slackware:slackware_linux, cpe:/o:slackware:slackware_linux:15.0

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 2/21/2022

Reference Information

CVE: CVE-2021-4115