An error was found within the IBM MQ message data conversion processing code that could cause multiple failure data capture (FDC) records to be generated and prevent the channel handling process amqrmppa from handling requests.
DESCRIPTION: IBM MQ is vulnerable to a denial of service attack that would allow an authenticated user to reset client connections due to an error within the Data Conversion routine.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/170966 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
|IBM MQ and IBM MQ Appliance||9.1 LTS|
|IBM MQ and IBM MQ Appliance||9.1 CD|
Workarounds and Mitigations
Get Notified about Future Security Bulletins
9 Dec 2019: 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.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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20 December 2019