Security Bulletin: IBM WebSphere MQ Invalid client protocol flows could cause denial of service (CVE-2016-0379)
An invalid MQ client protocol flow could cause a memory access violation on the server which could impact other channels running in the same process.
DESCRIPTION: IBM WebSphere MQ could allow an authenticated user with queue manager rights to cause a denial of service to channels due to incorrect handling of MQ protocol flows.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112245 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM WebSphere MQ 7.5
IBM WebSphere MQ 22.214.171.124 through 126.96.36.199 maintenance levels
IBM WebSphere MQ 8.0
IBM WebSphere MQ 188.8.131.52 through 184.108.40.206 maintenance levels
IBM WebSphere MQ 7.5
Apply IBM WebSphere MQ 220.127.116.11 or later maintenance
IBM WebSphere 8.0
Apply IBM WebSphere MQ 18.104.22.168 or later maintenance
Workarounds and Mitigations
Get Notified about Future Security Bulletins
2 June 2016: Original version published
20 September 2016: Details of 22.214.171.124 fixpack added
*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.
More support for:
Software version: 7.5, 8.0
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows
Software edition: All Editions
Reference #: 1984565
Modified date: 20 September 2016