AusCERT - ESB-2005.0913 -- IBM Security Advisory -- IBM Tivoli Directory Server data access and modification vulnerability

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ESB-2005.0913 -- IBM Security Advisory -- IBM Tivoli Directory Server data access and modification vulnerability
Date: 11 November 2005

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             AUSCERT External Security Bulletin Redistribution

                  ESB-2005.0913 -- IBM Security Advisory
  IBM Tivoli Directory Server data access and modification vulnerability
                             11 November 2005

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

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

Product:           Tivoli Directory Server (ITDS) 5.2.0 and 6.0.0
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact:            Inappropriate Access
Access:            Remote/Unauthenticated

Original Bulletin: 
  http://www-1.ibm.com/support/docview.wss?uid=swg21221665

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IBM SECURITY ADVISORY

First Issued: Thu Nov 10 14:29:04 CST 2005
=========================================================================
                           VULNERABILITY SUMMARY

VULNERABILITY:      A remote user can preform unauthorized operations
                    on directory data.

PLATFORMS:          IBM Tivoli Directory Server (ITDS) 5.2.0 and 6.0.0

SOLUTION:           Apply the APARs or workaround as described below.

THREAT:             A remote user can preform unauthorized operations
                    on directory data.

CERT VU Number:     VU#194753 
CVE Number:         N/A
=========================================================================
                           DETAILED INFORMATION


I.  Description
===============

A vulnerability was discovered in ITDS that allows a remote user to
preform unauthorized operations on directory data. ITDS configurations
that use SSL only and SSL client server authentication are not vulnerable
to this issue.  For more information about this issue, please visit the
following URL (Note that it is wrapped):

     http://www-306.ibm.com/software/sysmgmt/products/support/
     Tivoli_Proactive_Notification.html

ITDS ships as the ldap.server fileset. To determine if this fileset is
installed, execute the following command:

# lslpp -L ldap.server

If the fileset is installed it will be listed along with its version
information, state, type and a description. The vulnerable ITDS 5.2.0
fileset versions will be 5.2.0.3 or earlier. The vulnerable ITDS 6.0.0
fileset versions will be 6.0.0.1 or earlier. 


II. Impact
==========

A remote user can access, modify and delete data stored in ITDS. This
vulnerability may result in a denial of service or unwanted system
authentications.


III.  Solutions
===============

A. Official Fix

IBM provides the following fixes:

      ITDS 5.2.0:  IO02697 (available)
      ITDS 6.0.0:  IO02714 (available)

NOTE: Affected customers are urged to upgrade to AIX 5.1.0, 5.2.0 or
5.3.0 at the latest maintenance level.

C. Workaround

Configure ITDS to use SSL only and SSL client server authentication.

IV. Obtaining Fixes
===================

ITDS APARs can be downloaded from:
     http://www-306.ibm.com/software/sysmgmt/products/support/

AIX Version 5 APARs can be downloaded from:

     http://www-1.ibm.com/servers/eserver/support/pseries/aixfixes.html

Security related Interim Fixes can be downloaded from:

     ftp://aix.software.ibm.com/aix/efixes/security


V.  Contact Information
=======================

For any questions, support can be obtained by contacting a local call center or
creating a PMR.

A list of country-specific call center phone numbers can be found at:

     http://techsupport.services.ibm.com/guides/contacts.html

A PMR can be created through the online support page:

     http://www-306.ibm.com/software/support/probsub.html

If you would like to receive AIX Security Advisories via email, please
visit:

     https://techsupport.services.ibm.com/server/pseries.subscriptionSvcs

To request the PGP public key that can be used to communicate securely
with the AIX Security Team send email to security-alert@austin.ibm.com
with a subject of "get key". The key can also be downloaded from a PGP
Public Key Server. The key id is 0x9391C1F2.

Please contact your local IBM AIX support center for any assistance.

eServer is a trademark of International Business Machines Corporation.
IBM, AIX and pSeries are registered trademarks of International Business
Machines Corporation. All other trademarks are property of their respective
holders.
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        http://www.auscert.org.au/render.html?cid=1980

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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