Security Bulletin
Summary
An issue was identified with IBM MQ queue manager's message processing code that could allow an authenticated attacker (with authority to connect to the queue manager and put messages) to execute a denial of service attack against the queue manager with a malformed message.
Vulnerability Details
DESCRIPTION: IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205203 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM MQ | 8.0 |
| IBM MQ | 9.0 LTS |
| IBM MQ | 9.1 LTS |
| IBM MQ | 9.2 LTS |
| IBM MQ | 9.2 CD |
Remediation/Fixes
IBM MQ v8
Apply 8.0.0.16 cumulative security update (CSU) 01 or later CSU
IBM MQ v9.0 LTS
IBM MQ v9.1 LTS
IBM MQ v9.2 LTS
IBM MQ v9.2 CD
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
24 Nov 2021: Remove FASTPATH as issue is present when FASTPATH is disabled or enabled.
18 Nov 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
29 November 2021
UID
ibm16517044