Amazon Linux AMI : expat (ALAS-2023-1882)

high Nessus Plugin ID 184394

Synopsis

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

Description

The version of expat installed on the remote host is prior to 2.1.0-15.34. It is, therefore, affected by a vulnerability as referenced in the ALAS-2023-1882 advisory.

- Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function. (CVE-2022-23990)

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/ALAS-2023-1882.html

https://alas.aws.amazon.com/cve/html/CVE-2022-23990.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 184394

File Name: ala_ALAS-2023-1882.nasl

Version: 1.0

Type: local

Agent: unix

Published: 11/3/2023

Updated: 11/3/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2022-23990

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:expat, p-cpe:/a:amazon:linux:expat-debuginfo, p-cpe:/a:amazon:linux:expat-devel, cpe:/o:amazon:linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/30/2023

Vulnerability Publication Date: 1/26/2022

Reference Information

CVE: CVE-2022-23990