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             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.1537
          Security Bulletin: IBM WebSphere MQIPT Session IDs are
                        predictable (CVE-2015-0173)
                               12 June 2015

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

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

Product:           WebSphere MQ Internet Passthru
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-0173  

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21699547

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Security Bulletin: IBM WebSphere MQIPT Session IDs are predictable 
(CVE-2015-0173)

Security Bulletin

Document information

More support for:

WebSphere MQ

MQIPT

Software version:

2.0, 2.1

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Software edition:

All Editions

Reference #:

1699547

Modified date:

2015-06-11

Summary

The MQIPT Session IDs for HTTP communication that are generated by MQIPT V2.0
and later are predictable.

Vulnerability Details

CVEID: CVE-2015-0173

DESCRIPTION: IBM WebSphere MQ Internet Pass-Thru HTTP connection management 
contains a security flaw which could allow interception of MQ message data for
non-HTTPS connections.

CVSS Base Score: 4.3

CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/100928 for the 
current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM WebSphere MQ Internet Pass-Thru (SupportPac MS81)

    Versions 2.1.0.1 and earlier

Remediation/Fixes

Replace/upgrade MQIPT installations to IBM WebSphere MQ Internet Pass-Thru 
2.1.0.2 or later.

Workarounds and Mitigations

Configure MQIPT to enable HTTPS and avoid using HTTP sessions.

Get Notified about Future Security Bulletins

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

References

Complete CVSS Guide

On-line Calculator V2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

11th June 2015: 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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