IBM Security Bulletin: IBM MQ termination of a client application causes denial of service (CVE-2017-1235) - United States  SECURITY BULLETIN

SUMMARY
 Termination during an MQGET call of a client application running on a channel with SHARECNV=1, could cause a SIGSEGV and termination of the channel agent process. 

VULNERABILITY DETAILS
CVEID: CVE-2017-1235 [http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1235]
DESCRIPTION: IBM MQ could allow an authenticated user to cause a premature termination of a client application thread, which could potentially cause denial of service.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/123914 [https://exchange.xforce.ibmcloud.com/vulnerabilities/123914] 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 MQ V8.0 

IBM MQ V8.0.0.6 and earlier maintenance levels. 

IBM MQ V9.0 Long Term Support Release 

IBM MQ V9.0.0.1 and earlier maintenance levels. 

IBM MQ V9.0 Continuous Delivery Release 

IBM MQ Continuous delivery update 9.0.3 and earlier maintenance levels.

REMEDIATION/FIXES
IBM MQ V8.0 

Apply 8.0.0.7 [https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/WebSphere+MQ&release=8.0.0.7&platform=All&function=all&useReleaseAsTarget=true] maintenance level. 

IBM MQ V9.0 Long Term Support Release 

Apply 9.0.0.2 [https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/WebSphere+MQ&release=9.0.0.2&platform=All&function=all&useReleaseAsTarget=true] maintenance level. 

IBM MQ V9.0 Continuous Delivery Release 

Apply continuous delivery update 9.0.4 [http://www-01.ibm.com/support/docview.wss?uid=swg24043348] or later

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IMPORTANT NOTE
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REFERENCES
Complete CVSS v3 Guide [http://www.first.org/cvss/user-guide] 
On-line Calculator v3 [http://www.first.org/cvss/calculator/3.0] 

RELATED INFORMATION
IBM Secure Engineering Web Portal [http://www.ibm.com/security/secure-engineering/bulletins.html] 
IBM Product Security Incident Response Blog [http://www.ibm.com/blogs/psirt] 

*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
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.
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CVEID: CVE-2017-1235 [http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1235]
DESCRIPTION: IBM MQ could allow an authenticated user to cause a premature termination of a client application thread, which could potentially cause denial of service.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/123914 [https://exchange.xforce.ibmcloud.com/vulnerabilities/123914] 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)