Amazon Linux 2023 : expat, expat-devel, expat-static (ALAS2023-2024-576)

high Nessus Plugin ID 192890

Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-576 advisory.

- libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate). (CVE-2024-28757)

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

Solution

Run 'dnf update expat --releasever 2023.4.20240401' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2024-576.html

https://alas.aws.amazon.com/cve/html/CVE-2024-28757.html

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

Plugin Details

Severity: High

ID: 192890

File Name: al2023_ALAS2023-2024-576.nasl

Version: 1.2

Type: local

Agent: unix

Published: 4/3/2024

Updated: 11/4/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2024-28757

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-static, p-cpe:/a:amazon:linux:expat-debuginfo, p-cpe:/a:amazon:linux:expat-debugsource, p-cpe:/a:amazon:linux:expat-devel, cpe:/o:amazon:linux:2023, 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: 3/27/2024

Vulnerability Publication Date: 3/10/2024

Reference Information

CVE: CVE-2024-28757

IAVA: 2024-A-0192-S