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SUSE SLED15 / SLES15 Security Update : expat (SUSE-SU-2022:3912-1)

high Nessus Plugin ID 167213

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:3912-1 advisory.

 - In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations. (CVE-2022-43680)

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

Solution

Update the affected expat, libexpat-devel, libexpat1 and / or libexpat1-32bit packages.

See Also

https://bugzilla.suse.com/1204708

https://www.suse.com/security/cve/CVE-2022-43680

http://www.nessus.org/u?6337fed4

Plugin Details

Severity: High

ID: 167213

File Name: suse_SU-2022-3912-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 11/9/2022

Updated: 7/14/2023

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, 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: p-cpe:/a:novell:suse_linux:libexpat1-32bit, p-cpe:/a:novell:suse_linux:libexpat1, p-cpe:/a:novell:suse_linux:expat, p-cpe:/a:novell:suse_linux:libexpat-devel, cpe:/o:novell:suse_linux:15

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/8/2022

Vulnerability Publication Date: 10/24/2022

Reference Information

CVE: CVE-2022-43680

SuSE: SUSE-SU-2022:3912-1