RHEL 8 : expat (RHSA-2022:6878)

high Nessus Plugin ID 166019

Synopsis

The remote Red Hat host is missing a security update for expat.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:6878 advisory.

Expat is a C library for parsing XML documents.

Security Fix(es):

* expat: a use-after-free in the doContent function in xmlparse.c (CVE-2022-40674)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

Update the RHEL expat package based on the guidance in RHSA-2022:6878.

See Also

http://www.nessus.org/u?5da415df

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2130769

https://access.redhat.com/errata/RHSA-2022:6878

Plugin Details

Severity: High

ID: 166019

File Name: redhat-RHSA-2022-6878.nasl

Version: 1.9

Type: local

Agent: unix

Published: 10/11/2022

Updated: 11/7/2024

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: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2022-40674

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/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:redhat:enterprise_linux:expat-devel, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:expat

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/11/2022

Vulnerability Publication Date: 9/14/2022

Reference Information

CVE: CVE-2022-40674

CWE: 416

RHSA: 2022:6878