Security Bulletin: [All] Expat - CVE-2022-43680 (Publicly disclosed vulnerability)

Summary

Vulnerability (CVE-2022-43680) present in libExpat used by IBM Tivoli Network Manager (ITNM) IP Edition

Vulnerability Details

CVEID:CVE-2022-43680
**DESCRIPTION:**libexpat is vulnerable to a denial of service, caused by a use-after free created by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations. A remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/238951 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM Strongly recommends addressing the vulnerability now.

Affected Product(s): ITNM

Version(s): 4.2 GA through to 4.2.0.16

Remediation/Fix: Download FP17 from the following locations from fixcentral.

AIX: 4.2.0-TIV-ITNMIP-AIX-FP0017

Linux: 4.2.0-TIV-ITNMIP-Linux-FP0017

zLinux: 4.2.0-TIV-ITNMIP-zLinux-FP0017

Workarounds and Mitigations

None