Debian DSA-5391-1 : libxml2 - security update

medium Nessus Plugin ID 174607

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5391 advisory.

- The libxml2 project reports: Hashing of empty dict strings isn't deterministic Fix null deref in xmlSchemaFixupComplexType (CVE-2023-28484, CVE-2023-29469)

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

Solution

Upgrade the libxml2 packages.

For the stable distribution (bullseye), these problems have been fixed in version 2.9.10+dfsg-6.7+deb11u4.

Plugin Details

Severity: Medium

ID: 174607

File Name: debian_DSA-5391.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 4/21/2023

Updated: 10/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-29469

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libxml2, p-cpe:/a:debian:debian_linux:libxml2-dev, p-cpe:/a:debian:debian_linux:libxml2-doc, p-cpe:/a:debian:debian_linux:libxml2-utils, p-cpe:/a:debian:debian_linux:python3-libxml2, p-cpe:/a:debian:debian_linux:python3-libxml2-dbg, cpe:/o:debian:debian_linux:11.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/20/2023

Vulnerability Publication Date: 4/13/2023

Reference Information

CVE: CVE-2023-28484, CVE-2023-29469

Detections

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