Security Bulletin: IBM MQ Clients are vulnerable to a denial of service attack (CVE-2023-22874)

Summary

An issue was identified that may cause IBM MQ Clients to be vulnerable to a denial of service attack when processing configuration files.

Vulnerability Details

CVEID:CVE-2023-22874
**DESCRIPTION:**IBM MQ Clients are vulnerable to a denial of service attack when processing configuration files.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/244216 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

The following installable MQ components are affected by the vulnerability:

- Standard Client

If you are running any of these listed components, please apply the remediation/fixes as described below. For more information on the definitions of components used in this list see <https://www.ibm.com/support/pages/installable-component-names-used-ibm-mq-security-bulletins&gt;

Remediation/Fixes

This issue was resolved under APAR IT42812

IBM MQ 9.3 LTS

Apply FixPack 9.3.0.5

IBM MQ 9.2 CD and 9.3 CD

Upgrade to IBM MQ 9.3.2

Workarounds and Mitigations

None