Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus are vulnerable to a denial of service due to IBM MQ (CVE-2023-28513).

Summary

Features requiring MQ client connectivity in IBM App Connect Enterprise and IBM Integration Bus are vulnerable to a denial of service due to IBM MQ (CVE-2023-28513). The fix includes IBM Managed File Transfer and IBM MQ classes for Java at version 9.2.0.15

Vulnerability Details

CVEID:CVE-2023-28513
**DESCRIPTION:**IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS, 9.2 CD, and 9.3 CD and IBM MQ Appliance 9.2 LTS, 9.3 LTS, 9.2 CD, and 9.2 LTS, under certain configurations, is vulnerable to a denial of service attack caused by an error processing messages. IBM X-Force ID: 250397.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/250397 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/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 by applying the appropriate fix to IBM App Connect Enterprise & IBM Integration Bus

Interim fix for APAR (IT44274) is available to apply to 12.0.9.0 from

IBM Fix Central

IBM App Connect Enterprise| 11.0.0.1 - 11.0.0.21| IT44274 (this supersedes IT44007)|

The APAR (IT44274) is available from

IBM App Connect Enterprise v11 - Fix Pack 11.0.0.22

IBM Integration Bus| 10.1 - 10.1.0.1| IT44274 (this supersedes IT44007)|

Interim fix for APAR (IT44274) is available to apply to 10.1.0.1 from

IBM Fix Central

Workarounds and Mitigations

None