Security Bulletin
Summary
An issue was found within the MQ queue manager message processing logic that could allow an attacker to cause corrupt data when using segmented messages with a queue manager that is configured to use Linear Logging.
Vulnerability Details
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
Affected Product(s) | Version(s) |
IBM MQ | 9.1 LTS |
IBM MQ | 9.0 LTS |
IBM MQ | 8.0 |
IBM MQ | 9.1 CD |
IBM WebSphere MQ | 7.5 |
Remediation/Fixes
Contact IBM Support and request a fix for APAR IT31663
IBM MQ 8.0
Apply interim fix for APAR IT31663
IBM MQ 9.0 LTS
IBM MQ 9.1 LTS
IBM MQ 9.1 CD
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
18 Dec 2020: Initial Publication
23 Dec 2020: Added details about linear logging
*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
Was this topic helpful?
Document Information
Modified date:
23 December 2020
UID
ibm16387806