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Debian dla-3165 : expat - security update

high Nessus Plugin ID 166671

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3165 advisory.

 - ----------------------------------------------------------------------- Debian LTS Advisory DLA-3165-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta October 28, 2022 https://wiki.debian.org/LTS
 - -----------------------------------------------------------------------

 Package : expat Version : 2.2.6-2+deb10u6 CVE ID : CVE-2022-43680 Debian Bug : 1022743

 In src:expat, an XML parsing C library, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

 For Debian 10 buster, this problem has been fixed in version 2.2.6-2+deb10u6.

 We recommend that you upgrade your expat packages.

 For the detailed security status of expat please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/expat

 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

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

Solution

Upgrade the expat packages.

See Also

https://security-tracker.debian.org/tracker/source-package/expat

https://security-tracker.debian.org/tracker/CVE-2022-43680

https://packages.debian.org/source/buster/expat

Plugin Details

Severity: High

ID: 166671

File Name: debian_DLA-3165.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/28/2022

Updated: 1/22/2025

Supported Sensors: Agentless Assessment, Continuous 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-2022-43680

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:expat, p-cpe:/a:debian:debian_linux:libexpat1-dev, p-cpe:/a:debian:debian_linux:libexpat1

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: 10/28/2022

Vulnerability Publication Date: 10/24/2022

Reference Information

CVE: CVE-2022-43680