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.
CVEID:CVE-2021-29843
**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 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 |
This issue was fixed under APAR IT35489
IBM MQ v8
[Apply 8.0.0.16 cumulative security update (CSU) 01](<https://www.ibm.com/support/pages/fix-list-ibm-mq-version-80> "Apply v8.0 cumulative security update “CSU01"” ) or later CSU
IBM MQ v9.0 LTS
IBM MQ v9.1 LTS
IBM MQ v9.2 LTS
IBM MQ v9.2 CD
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