Amazon Linux 2023 : xmlrpc-c, xmlrpc-c-apps, xmlrpc-c-c++ (ALAS2023-2023-068)

critical Nessus Plugin ID 173175


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


It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-068 advisory.

- xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context. (CVE-2022-25235)

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


Run 'dnf update xmlrpc-c --releasever=2023.0.20230222 ' to update your system.

See Also

Plugin Details

Severity: Critical

ID: 173175

File Name: al2023_ALAS2023-2023-068.nasl

Version: 1.0

Type: local

Agent: unix

Published: 3/21/2023

Updated: 3/21/2023

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

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2022-25235


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/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:xmlrpc-c, p-cpe:/a:amazon:linux:xmlrpc-c-apps, p-cpe:/a:amazon:linux:xmlrpc-c-apps-debuginfo, p-cpe:/a:amazon:linux:xmlrpc-c-c%2b%2b, p-cpe:/a:amazon:linux:xmlrpc-c-c%2b%2b-debuginfo, p-cpe:/a:amazon:linux:xmlrpc-c-client, p-cpe:/a:amazon:linux:xmlrpc-c-client%2b%2b, p-cpe:/a:amazon:linux:xmlrpc-c-client%2b%2b-debuginfo, p-cpe:/a:amazon:linux:xmlrpc-c-client-debuginfo, p-cpe:/a:amazon:linux:xmlrpc-c-debuginfo, p-cpe:/a:amazon:linux:xmlrpc-c-debugsource, p-cpe:/a:amazon:linux:xmlrpc-c-devel, cpe:/o:amazon:linux:2023

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/17/2023

Vulnerability Publication Date: 2/16/2022

Reference Information

CVE: CVE-2022-25235