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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0051
Security Bulletin: IBM Tivoli Federated Identity Manager can be affected by
      a vulnerability in IBM Java Runtime Environment (CVE-2012-5081)
                              9 January 2013

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

Product:           IBM Tivoli Federated Identity Manager
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
                   z/OS
Impact/Access:     Reduced Security -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-5081  

Reference:         ESB-2013.0021
                   ASB-2012.0144
                   ASB-2012.0143
                   ESB-2012.1187
                   ESB-2012.1168
                   ESB-2012.1147
                   ESB-2012.1107
                   ESB-2012.1090
                   ESB-2012.1004
                   ESB-2012.1003
                   ESB-2012.0999
                   ESB-2012.0998

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21621886

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

Security Bulletin: IBM Tivoli Federated Identity Manager can be affected by a
vulnerability in IBM Java Runtime Environment (CVE-2012-5081)

Flash (Alert)

Document information

Tivoli Federated Identity Manager

Software version:
6.0, 6.1, 6.1.1, 6.2, 6.2.1, 6.2.2

Operating system(s):
AIX, HP-UX, Linux, Solaris, Windows, z/OS

Reference #:
1621886

Modified date:
2013-01-08

Abstract

The implementation of TLS in the IBM Java JDK may not check the TLS vector 
length as set out in the Internet Engineering Task Force Request For Comments
(RFC) 5246. The fix enhances the checking for the vector length.

Content

VULNERABILITY DETAILS:

DESCRIPTION: The JDK's TLS implementation may not check the TLS vector length
as set out in the latest RFC 5246. This issue is exploitable on server 
deployments that use JSSE.

Under certain conditions, IBM Tivoli Federated Identity Manager uses Java 
Secure Socket Extensions (JSSE) to establish a Secure Socket Layer (SSL) 
connection. The vulnerability could occur when the SSL connection is enabled.
The only solution is to upgrade the JDK.

The attack does not require local network access nor does it require 
authentication, but some degree of specialized knowledge and techniques are 
required. An exploit would not impact the confidentiality of information or 
the integrity of data, but the availability of the system could be 
compromised.

CVEID: CVE-2012-5081 
CVSS Base Score: 5 
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/79435 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:

Tivoli Federated Identity Manager versions 6.0, 6.1.0, 6.1.1, 6.2.0, 6.2.1, 
6.2.2 Tivoli Federated Identity Manager Business Gateway versions 6.1.1, 
6.2.0, 6.2.1, 6.2.2

REMEDIATION: The remediation depends on the version of WebSphere you are 
using. There are two alternatives.

Alternative 1) If you are using the eWAS bundled with Tivoli Federated 
Identity Manager (this was only avaliable for FIM versions 6.1.1 or higher), 
you will need to apply the patch for IBM Java 5 SR 15. This is available at 
the following link: http://www-01.ibm.com/support/docview.wss?uid=swg24033932

Alternative 2) If you are using a separate WebSphere installation instead of 
the eWAS bundled with Tivoli Federated Identity Manager, please see the 
following advisory to determine how to patch your WebSphere version: 
http://www-01.ibm.com/support/docview.wss?rs=180&context=SSEQTP&dc=D600&uid=swg21617227&loc=en_US&cs=utf-8

Workaround(s): None

Mitigation(s): None

REFERENCES: 
Complete CVSS Guide On-line Calculator V2 CVE-2012-5081 
http://xforce.iss.net/xforce/xfdb/79435

RELATED INFORMATION: IBM Secure Engineering Web Portal

*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 Flash.

Note: 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.

Copyright and trademark information

IBM, the IBM logo and ibm.com are trademarks of International Business 
Machines Corp., registered in many jurisdictions worldwide. Other product and
service names might be trademarks of IBM or other companies. A current list of
IBM trademarks is available on the Web at "Copyright and trademark 
information" at www.ibm.com/legal/copytrade.shtml.

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

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