__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN IBM Tivoli Directory Server Vulnerability [Technote FAQ of 11/7/05] December 8, 2005 21:00 GMT Number Q-073 ______________________________________________________________________________ PROBLEM: A potential security vulnerability has been identified by IBM for the IBM Tivoli Directory Server (ITDS). PLATFORM: ITDS version 5.2.0 and 6.0.0 DAMAGE: Exploiting this vulnerability may allow unauthorized access to change, modify and/or delete directory data stored in IBM Tivoli Directory Server. Enabling SSL-only communication and SSL Client-Server authentication is believed to mitigate the flaw being exposed. SOLUTION: Apply the available security updates. ______________________________________________________________________________ VULNERABILITY The risk is LOW. Exploiting the vulnerability may allow ASSESSMENT: unauthorized access to change, modify and/or delete directory data stored in IBM Tivoli Directory Server. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/q-073.shtml ORIGINAL BULLETIN: http://www-1.ibm.com/support/docview.wss?uid=swg21221665 ADDITIONAL LINKS: US-CERT Vulnerability Note VU#194753 http://www.kb.cert.org/vuls/id/194753 ______________________________________________________________________________ [***** Start Technote FAQ of 11/7/05 *****] Potential Security Vulnerability For IBM Tivoli Directory Server (VU#194753) Technote (FAQ) Problem A potential security vulnerability has been identified by IBM for the IBM Tivoli Directory Server (ITDS), version 5.2.0 and 6.0.0. No other versions are affected. Cause INTRODUCTION A potential security vulnerability has been identified by IBM for the IBM Tivoli Directory Server (ITDS), version 5.2.0 and 6.0.0. No other versions are affected. LAST UPDATE This information has been updated as of November 7th, 2005 STATUS IBM has identified a vulnerability that would allow unauthorized access to change, modify and/or delete directory data stored in IBM Tivoli Directory Server. While it is not believed that this vulnerability exists when the IBM Tivoli Directory Server is set to use SSL only and SSL Client Server authentication, IBM strongly recommends that all customers update their installation with the correct fix. Customers are strongly recommended to apply the appropriate fix as soon as possible. UPDATE LOCATION Version 5.2.0: APAR IO02697 Customers need to identify the correct version and download the corresponding Interim Fix: 5.2.0.3-TIV-ITDS-IF0001 or earlier (This will update ITDS to fixpack 3) - http://www-1.ibm.com/support/docview.wss?uid=swg24010820 5.2.0.3-TIV-ITDS-IF0007 http://www-1.ibm.com/support/docview.wss?uid=swg24010821 5.2.0.3-TIV-ITDS-LA0011 – Please contact the IBM Tivoli Support organization Version 6.0.0 - APAR IO02714 6.0.0.1-TIV-ITDS-IF0001 http://www-1.ibm.com/support/docview.wss?uid=swg24010819 QUESTIONS For any questions, support can be obtained through the following means: • Local call center - A list of country-specific phone numbers can be found at: http://techsupport.services.ibm.com/guides/contacts.html • Create PMR through the online support page: http://www-306.ibm.com/software/support/probsub.html Please refer to http://www-3.ibm.com/software/sysmgmt/products/support/ for information regarding these options. [***** End Technote FAQ of 11/7/05 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of IBM for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. 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