CentOS 7 : expat (CESA-2022:1069)

critical Nessus Plugin ID 159324


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


The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2022:1069 advisory.

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

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

- expat: Integer overflow in addBinding in xmlparse.c (CVE-2022-22822)

- expat: Integer overflow in build_model in xmlparse.c (CVE-2022-22823)

- expat: Integer overflow in defineAttribute in xmlparse.c (CVE-2022-22824)

- expat: Integer overflow in lookup in xmlparse.c (CVE-2022-22825)

- expat: Integer overflow in nextScaffoldPart in xmlparse.c (CVE-2022-22826)

- expat: Integer overflow in storeAtts in xmlparse.c (CVE-2022-22827)

- expat: Integer overflow in function XML_GetBuffer (CVE-2022-23852)

- expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

- expat: Namespace-separator characters in xmlns[:prefix] attribute values can lead to arbitrary code execution (CVE-2022-25236)

- expat: Integer overflow in storeRawNames() (CVE-2022-25315)

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


Update the affected expat, expat-devel and / or expat-static packages.

See Also







Plugin Details

Severity: Critical

ID: 159324

File Name: centos_RHSA-2022-1069.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/30/2022

Updated: 11/3/2023

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

Risk Information


Risk Factor: High

Score: 7.4


Risk Factor: High

Base Score: 9

Temporal Score: 7.4

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

CVSS Score Source: CVE-2021-45960


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

CVSS Score Source: CVE-2022-25315

Vulnerability Information

CPE: p-cpe:/a:centos:centos:expat, p-cpe:/a:centos:centos:expat-devel, p-cpe:/a:centos:centos:expat-static, cpe:/o:centos:centos:7

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: 3/29/2022

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, CVE-2022-25235, CVE-2022-25236, CVE-2022-25315

CWE: 190, 20, 400, 787, 838

RHSA: 2022:1069