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ESB-2016.0705 - [Win][Linux][HP-UX][Solaris][AIX] IBM WebSphere MQ: Denial of service - Remote/unauthenticated

Date: 16 March 2016
References: ESB-2015.1540  ESB-2015.1544.2  ESB-2015.1557  ESB-2015.1569  ESB-2015.1670  ESB-2015.1699  ASB-2015.0065  ESB-2015.1809  ESB-2015.1811  ASB-2015.0081  
ASB-2015.0103  ESB-2016.0731  

Click here for printable version
Click here for PGP verifiable version
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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0705
          Security Bulletin: Vulnerability in OpenSSL affects IBM
                       WebSphere MQ (CVE-2015-1788)
                               16 March 2016

===========================================================================

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

Product:           IBM WebSphere MQ
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-1788  

Reference:         ASB-2015.0103
                   ASB-2015.0081
                   ASB-2015.0065
                   ESB-2015.1811
                   ESB-2015.1809
                   ESB-2015.1699
                   ESB-2015.1670
                   ESB-2015.1569
                   ESB-2015.1557
                   ESB-2015.1544.2
                   ESB-2015.1540

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21972125

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Vulnerability in OpenSSL affects IBM WebSphere MQ
(CVE-2015-1788)

Security Bulletin

Document information

More support for:

WebSphere MQ

SSL

Software version:

7.1, 7.5, 8.0

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Software edition:

All Editions

Reference #:

1972125

Modified date:

2016-03-15

Summary

An OpenSSL denial of service vulnerability disclosed by the OpenSSL Project
affects GSKit. IBM WebSphere MQ uses GSKit and addressed the applicable CVE.

Vulnerability Details

CVEID:

CVE-2015-1788

DESCRIPTION:

OpenSSL is vulnerable to a denial of service, caused by an error when
processing an ECParameters structure over a specially crafted binary
polynomial field. A remote attacker could exploit this vulnerability to cause
the application to enter into an infinite loop.

CVSS Base Score: 5

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/103778

for the current score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Affected Products and Versions

IBM WebSphere MQ 8.0

- - Fixpack 8.0.0.3 and previous maintenance levels

IBM WebSphere MQ 7.5

- - Fixpack 7.5.0.5 and previous maintenance levels

IBM WebSphere MQ 7.1

- - Fixpack 7.1.0.6 and previous maintenance levels

Remediation/Fixes

IBM WebSphere MQ 8.0

- - Apply

Fixpack 8.0.0.4

IBM WebSphere MQ 7.5

- - Apply

Fixpack 7.5.0.6

IBM WebSphere MQ 7.1

- - Apply

Fixpack 7.1.0.7

Get Notified about Future Security Bulletins

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to be notified of important product support alerts like this.

References

Complete CVSS v2 Guide

On-line Calculator v2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

11 March 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.

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.

- --------------------------END INCLUDED TEXT--------------------

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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===========================================================================
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