Security Bulletin
Summary
An issue was identified with Pacemaker which is used by IBM MQ to supply RDQM functionality.
Vulnerability Details
DESCRIPTION: ClusterLabs Pacemaker could allow a local attacker to bypass security restrictions, caused by an access control list bypass flaw. By sending a specially-crafted request using IPC communication with various daemons, an attacker could exploit this vulnerability to perform certain tasks prevented by ACLs.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190582 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM MQ | 9.2 CD |
| IBM MQ | 9.2 LTS |
| IBM MQ | 9.1 CD |
| IBM MQ | 9.1 LTS |
Remediation/Fixes
IBM MQ 9.1 LTS
IBM MQ 9.2 LTS
IBM MQ 9.1 CD and 9.2 CD
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Acknowledgement
This issue was discovered by Ken Gaillot (Red Hat).
Change History
17 Jun 2021: Initial Publication
21 Jul 2021 : Clarification of affected configuration
*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:
21 July 2021
UID
ibm16464787