Security Bulletin: IBM MQ is vulnerable to denial of service (CVE-2024-25016)

Summary

IBM MQ has addressed a denial of service vulnerability due to incorrect buffering logic.

Vulnerability Details

CVEID:CVE-2024-25016
**DESCRIPTION:**IBM MQ and IBM MQ Appliance could allow a remote unauthenticated attacker to cause a denial of service due to incorrect buffering logic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/281279 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

The following installable MQ components are affected by the vulnerability:

- Runtime
- Server
- 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 addressed under APAR IT45026

IBM MQ version 9.0 LTS

Apply Cumulative Security Update 9.0.0.23

IBM MQ version 9.1 LTS

Apply Fix Pack 9.1.0.20

IBM MQ version 9.2 LTS

Apply Cumulative Security Update 9.2.0.22

IBM MQ version 9.3 LTS

Apply Cumulative Security Update 9.3.0.16

IBM MQ version 9.3 CD

Upgrade to IBM MQ version 9.3.5 CD

Workarounds and Mitigations

None