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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.2052
           Security Bulletin: IBM WebSphere MQ is affected by a
                  vulnerability in GSKit (CVE-2014-0076)
                              5 November 2014

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

Product:           IBM WebSphere MQ
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Mitigation
CVE Names:         CVE-2014-0076  

Reference:         ASB-2014.0092
                   ASB-2014.0071
                   ESB-2014.1796
                   ESB-2014.1731
                   ESB-2014.1527
                   ESB-2014.1017
                   ESB-2014.1009

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21688949

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Security Bulletin: IBM WebSphere MQ is affected by a vulnerability in GSKit 
(CVE-2014-0076)

Document information

More support for:

WebSphere MQ

SSL

Software version:

7.0.1, 7.1, 7.5, 8.0

Operating system(s):

AIX, HP Itanium, HP-UX, Linux, Linux Red Hat - i/p Series, Linux Red Hat - 
xSeries, Linux Red Hat - zSeries, Linux SUSE - xSeries, Linux SUSE - zSeries,
Linux SuSE - i/p Series, Linux on Power, Linux zSeries, Solaris, Windows

Software edition:

All Editions

Reference #:

1688949

Modified date:

2014-11-04

Security Bulletin

Summary

A vulnerability in GSKit, which is included in IBM WebSphere MQ, can 
potentially allow key information about certain kinds of binary type Elliptic
Curves used in Digital signatures during signing operations.

Vulnerability Details

CVE-ID: CVE-2014-0076

DESCRIPTION: An attacker running a program on the same machine as where the 
victim is running a program could use CPU timing information to discover key 
information about certain kinds of binary type Elliptic Curves used in Digital
signatures during signing operations. Although GSKit only generates Prime type
Elliptic Curves, externally generated keys may be imported in GSKit.

- From WebSphere MQ version 7.1, GSKit version 8.0 is integrated with WebSphere
MQ. For WebSphere MQ 7.0.1, GSKit version 7 or version 8 was installed 
separately.

CVSS Base Score: 2.1

CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/91990

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM WebSphere MQ 8.0, including all maintenance levels.

IBM WebSphere MQ 7.5, including all maintenance levels.

IBM WebSphere MQ 7.1, including all maintenance levels.

IBM WebSphere MQ 7.0.1, maintenance levels from 7.0.1.4 onwards, using GSKit 
version 8.0.

Remediation/Fixes

IBM strongly recommends that Elliptic Curve CipherSpecs are not used. These 
CipherSpecs have names starting with 'EC'.

A summary of MQ CipherSpecs and protocols can be found in the IBM Knowledge 
Center Specifying CipherSpecs topic.

References

Complete CVSS Guide

On-line Calculator V2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

03 November 2014: Original Copy 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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