CVE-2022-22822

CRITICAL LAB

Libexpat < 2.4.3 - Integer Overflow

Title source: rule

Description

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

Exploits (1)

nomisec STUB

by nanopathi · poc

https://github.com/nanopathi/external_expat_AOSP10_r33_CVE-2022-22822toCVE-2022-22827

View Code ZIP pw:eip

References (6)

[Mailing List, Release Notes, Third Party Advisory] http://www.openwall.com/lists/oss-security/2022/01/17/3

[Patch, Third Party Advisory] https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf

[Patch, Third Party Advisory] https://github.com/libexpat/libexpat/pull/539

[Third Party Advisory] https://security.gentoo.org/glsa/202209-24

[Third Party Advisory] https://www.debian.org/security/2022/dsa-5073

[Third Party Advisory] https://www.tenable.com/security/tns-2022-05

Scores

CVSS v3 9.8

EPSS 0.0133

EPSS Percentile 80.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Lab Environment

COMMUNITY

Community Lab

docker pull composer:1.7.2

https://github.com/nanopathi/external_expat_AOSP10_r33_CVE-2022-22822toCVE-2022-22827

View in Library

Details

CWE

CWE-190

Status published

Products (5)

debian/debian_linux 10.0

debian/debian_linux 11.0

libexpat_project/libexpat < 2.4.3

siemens/sinema_remote_connect_server < 3.1

tenable/nessus < 8.15.3

Published Jan 10, 2022

Tracked Since Feb 18, 2026