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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.0584
       Security Bulletin: IBM WebSphere MQ proliferation of channel
              agents causes denial of service (CVE-2017-1145)
                               6 March 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM WebSphere MQ
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1145  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21999672

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Security Bulletin: IBM WebSphere MQ proliferation of channel agents causes
denial of service (CVE-2017-1145)

Document information

More support for: WebSphere MQ
Channels LU62 / TCP

Software version: 8.0.0.6

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows

Software edition: All Editions

Reference #: 1999672

Modified date: 03 March 2017

Security Bulletin

Summary

Threaded channel agents (amqrmppa) might not terminate when they are no
longer required. This can lead to a denial of service through exhausting
server resources.

Vulnerability Details

CVEID: CVE-2017-1145
DESCRIPTION: IBM WebSphere MQ does not properly terminate channel agents
when they are no longer needed which could allow a user to cause a denial
of service through resource exhaustion.
CVSS Base Score: 8.6
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/122198 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)

Affected Products and Versions

IBM WebSphere MQ V8

The only maintenance level that is affected by this vulnerability is 8.0.0.6.

Remediation/Fixes

IBM WebSphere MQ V8

Download and apply ifix IT19218

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support
alerts like this.

References
Complete CVSS v3 Guide
On-line Calculator v3

Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

03 March 2017: Initial 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.

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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