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Amazon Linux 2 : polkit (ALAS-2020-1437)

medium Nessus Plugin ID 137568

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure. (CVE-2018-1116)

Solution

Run 'yum update polkit' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2020-1437.html

Plugin Details

Severity: Medium

ID: 137568

File Name: al2_ALAS-2020-1437.nasl

Version: 1.3

Type: local

Agent: unix

Published: 6/18/2020

Updated: 3/6/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS Score Source: CVE-2018-1116

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:polkit, p-cpe:/a:amazon:linux:polkit-docs, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:polkit-debuginfo, p-cpe:/a:amazon:linux:polkit-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2020

Vulnerability Publication Date: 7/10/2018

Reference Information

CVE: CVE-2018-1116

ALAS: 2020-1437