An issue was identified with Pacemaker which is used by IBM MQ to supply RDQM functionality.
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
|IBM MQ||9.2 CD|
|IBM MQ||9.2 LTS|
|IBM MQ||9.1 CD|
|IBM MQ||9.1 LTS|
Workarounds and Mitigations
Get Notified about Future Security Bulletins
This issue was discovered by Ken Gaillot (Red Hat).
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.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
21 July 2021