Amazon Linux 2 : gnome-shell (ALAS-2020-1478)

medium Nessus Plugin ID 139855

Synopsis

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

Description

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2020-1478 advisory.

- It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts, and potentially other actions. (CVE-2019-3820)

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

Solution

Run 'yum update gnome-shell' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2020-1478.html

https://access.redhat.com/security/cve/CVE-2019-3820

Plugin Details

Severity: Medium

ID: 139855

File Name: al2_ALAS-2020-1478.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/26/2020

Updated: 2/23/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2019-3820

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.9

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:gnome-shell, p-cpe:/a:amazon:linux:gnome-shell-debuginfo, cpe:/o:amazon:linux:2

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/18/2020

Vulnerability Publication Date: 2/6/2019

Reference Information

CVE: CVE-2019-3820

BID: 107305

ALAS: 2020-1478