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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0053
  Security Bulletin: IBM Tivoli Directory Integrator 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 Directory Integrator
Publisher:         IBM
Operating System:  Windows
                   AIX
                   Solaris
                   HP-UX
                   Linux variants
Impact/Access:     Reduced Security -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-5081  

Reference:         ESB-2013.0051
                   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=swg21621588

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

Document information

Tivoli Directory Integrator

Software version:
6.1.1, 7.0, 7.1, 7.1.1

Operating system(s):
All Platforms

Reference #:
1621588

Modified date:
2013-01-04

Flash (Alert)

Abstract

The JDKs TLS implementation 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.

A Java program running on Tivoli Directory Integrator uses Java Secure Socket
Extensions (JSSE) to establish the Secure Socket Layer (SSL) connection. The 
vulnerability could occur when the SSL connection is enabled and only solution
is to upgrade the JRE.

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, however 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: TDI v6.1.1 , TDI v7.0, TDI v7.1 and TDIv7.1.1

REMEDIATION: The following IBM JREs have the fixes for this vulnerability. 
6.0.0 SR12 5.0.0 SR15 TDI v6.1.1 and v7.0: Move to JRE 5.0.0 SR 15. TDI, v7.1
and v7.1.1: Move to JRE 6.0.0 SR 12.

Contact TDI Level 2 support to upgrade to the above required JREs.

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

ACKNOWLEDGEMENT None

*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.

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