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ESB-2016.0682 - [Win][Linux][IBM i][HP-UX][Solaris][AIX] IBM WebSphere MQ: Provide misleading information - Remote with user interaction

Date: 14 March 2016

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0682
  Security Bulletin: IBM WebSphere MQ Advanced Message Security cleartext
          data written outside protected payload (CVE-2015-1957)
                               14 March 2016

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

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

Product:           IBM WebSphere MQ
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Provide Misleading Information -- Remote with User Interaction
                   Unauthorised Access            -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-1957  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21960506

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

Security Bulletin: IBM WebSphere MQ Advanced Message Security cleartext data
written outside protected payload (CVE-2015-1957)

Security Bulletin

Document information

More support for:

WebSphere MQ

WMQ Advanced Message Security

Software version:

7.5, 8.0

Operating system(s):

AIX, HP-UX, IBM i, Linux, Solaris, Windows

Software edition:

All Editions

Reference #:

1960506

Modified date:

2016-03-11

Summary

A JMS client application putting messages to a queue protected using an IBM
WebSphere MQ Advanced Message Security policy could, under certain
conditions, duplicate a cleartext copy of message data outside of the
protected payload.

Vulnerability Details

CVEID:

CVE-2015-1957

DESCRIPTION:

IBM WebSphere MQ could allow some encrypted data to pass through the server
in cleartext. This could allow a remote authenticated attacker to obtain
sensitive data via man in the middle techniques.

CVSS Base Score: 3.5

CVSS Temporal Score: See

http://xforce.iss.net/xforce/xfdb/103482

for the current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM WebSphere MQ Advanced Message Security is affected in the following
maintenance levels;

- - IBM WebSphere MQ 8.0.0.2 and earlier

- - IBM WebSphere MQ 7.5.0.5 and earlier

Remediation/Fixes

IBM WebSphere MQ 8.0

- - Apply fixpack

8.0.0.3

or later maintenance

IBM WebSphere MQ 7.5

- - Apply fixpack

7.5.0.6

or later maintenance

Get Notified about Future Security Bulletins

Subscribe to

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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
Facsimile:      (07) 3365 7031
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===========================================================================
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