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CentOS 9 : expat-2.2.10-9.el9

critical Nessus Plugin ID 191246

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Synopsis

The remote CentOS host is missing one or more security updates for expat.

Description

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the expat-2.2.10-9.el9 build changelog.

 - Large number of prefixed XML attributes on a single tag can crash libexpat (CVE-2021-45960)

 - Integer overflow in doProlog in xmlparse.c (CVE-2021-46143)

 - addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22822)

 - build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22823)

 - defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
 (CVE-2022-22824)

 - lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22825)

 - nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
 (CVE-2022-22826)

 - storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22827)

 - integer overflow in function XML_GetBuffer (CVE-2022-23852)

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 CentOS 9 Stream expat package.

See Also

https://kojihub.stream.centos.org/koji/buildinfo?buildID=16922

Plugin Details

Severity: Critical

ID: 191246

File Name: centos9_expat-2_2_10-9.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/29/2024

Updated: 4/26/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2021-45960

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

CVSS Score Source: CVE-2022-23852

Vulnerability Information

CPE: p-cpe:/a:centos:centos:expat-static, p-cpe:/a:centos:centos:expat, p-cpe:/a:centos:centos:expat-devel, cpe:/a:centos:centos:9

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/10/2022

Vulnerability Publication Date: 1/1/2022

Reference Information

CVE: CVE-2021-45960, CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23852