Heap storage allocated on an error path is not deallocated by queue manager agents, a malicious user could use an application to repeatedly cause the queue manager to execute this error path and eventually exhaust storage for the agent, thereby causing a denial of service.
DESCRIPTION: IBM WebSphere MQ contains an agent memory leak could be exploited by malicious user to cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110602 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM WebSphere MQ 188.8.131.52 through 184.108.40.206 maintenance levels are affected.
Apply IBM WebSphere MQ 220.127.116.11 fixpack or later maintenance.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
2 June 2016: Original version published
*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.
15 June 2018