Detections
Analytics

Amazon Linux 2022 : expat (ALAS2022-2022-259)

high Nessus Plugin ID 168570

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Synopsis

The remote Amazon Linux 2022 host is missing a security update.

Description

The version of expat installed on the remote host is prior to 2.4.9-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2022-2022-259 advisory.

 - libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c. (CVE-2022-40674)

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 expat' to update your system.

See Also

https://alas.aws.amazon.com/AL2022/ALAS-2022-259.html

https://alas.aws.amazon.com/cve/html/CVE-2022-40674.html

Plugin Details

Severity: High

ID: 168570

File Name: al2022_ALAS2022-2022-259.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/9/2022

Updated: 2/2/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2022-40674

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/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:expat-static, p-cpe:/a:amazon:linux:expat-debuginfo, p-cpe:/a:amazon:linux:expat-debugsource, cpe:/o:amazon:linux:2022, p-cpe:/a:amazon:linux:expat-devel, p-cpe:/a:amazon:linux:expat

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/6/2022

Vulnerability Publication Date: 9/14/2022

Reference Information

CVE: CVE-2022-40674