Amazon Linux 2 : polkit (ALAS-2019-1171)

medium Nessus Plugin ID 122677

Synopsis

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

Description

A vulnerability was found in polkit. When authentication is performed by a non-root user to perform an administrative task, the authentication is temporarily cached in such a way that a local attacker could impersonate the authorized process, thus gaining access to elevated privileges.(CVE-2019-6133)

Solution

Run 'yum update polkit' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2019-1171.html

Plugin Details

Severity: Medium

ID: 122677

File Name: al2_ALAS-2019-1171.nasl

Version: 1.2

Type: local

Agent: unix

Published: 3/8/2019

Updated: 2/6/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

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

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/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:amazon:linux:polkit, p-cpe:/a:amazon:linux:polkit-debuginfo, p-cpe:/a:amazon:linux:polkit-devel, p-cpe:/a:amazon:linux:polkit-docs, cpe:/o:amazon:linux:2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/8/2019

Vulnerability Publication Date: 1/11/2019

Reference Information

CVE: CVE-2019-6133

ALAS: 2019-1171