Alibaba Cloud Linux 3 : 0043: libxml2 (ALINUX3-SA-2025:0043)

high Nessus Plugin ID 236362

Synopsis

The remote Alibaba Cloud Linux host is missing one or more security updates.

Description

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2025:0043 advisory.

Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

CVE-2024-56171:
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.

CVE-2025-24928:
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE:
this is similar to CVE-2017-9047.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

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

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 236362

File Name: alinux3_sa_2025-0043.nasl

Version: 1.1

Type: local

Family: Alibaba Cloud Linux Local Security Checks

Published: 5/14/2025

Updated: 5/14/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.1

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2024-56171

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

CVSS Score Source: CVE-2025-24928

Vulnerability Information

CPE: cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:python2-libxml2, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:python2-libxml2-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libxml2-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:python3-libxml2, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libxml2, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libxml2-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libxml2-static, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:python3-libxml2-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libxml2-debugsource

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/17/2025

Vulnerability Publication Date: 2/18/2025

Reference Information

CVE: CVE-2024-56171, CVE-2025-24928

Detections

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