IBM MQ Appliance has addressed a data corruption vulnerability.
DESCRIPTION: IBM MQ could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/184755 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N)
Affected Products and Versions
|IBM MQ Appliance||9.1 LTS|
|IBM MQ Appliance||9.1 CD|
Apply fixpack 184.108.40.206, or later maintenance
IBM MQ Appliance 9.1 CD
Upgrade to 9.2.0, or later maintenance*
* The latest available Continuous Delivery (CD) firmware level at the time of publishing is 9.2.0. As this firmware level is also an LTS level, it is valid to apply the 220.127.116.11 LTS fix pack and then update to a subsequent CD release (ie. 9.2.1 CD) once available. Please refer to the IBM MQ FAQ for Long Term Support and Continuous Delivery releases for additional information on LTS and CD releases.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
02 Nov 2020: 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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17 November 2020