-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 iDefense Security Advisory 06.25.09 http://labs.idefense.com/intelligence/vulnerabilities/ Jun 25, 2009 I. BACKGROUND The Unisys Business Information Server is a business information management package providing data access, analysis and reporting for the enterprise. For more information, see the vendor's site found at the following link. http://www.unisys.com/products/software/application__development/business__information__server/ II. DESCRIPTION Remote exploitation of a stack based buffer overflow vulnerability in Unisys's Business Information Server could allow an attacker to execute arbitrary code with the privileges of the affected service. If attackers send a packet to the Unisys Business Information Server over a TCP port, the attacker can corrupt stack memory and gain arbitrary code execution. III. ANALYSIS Exploitation of this vulnerability results in the execution of arbitrary code with the privileges of the affected service, usually an administrative account. IV. DETECTION iDefense has confirmed the existence of this vulnerability in Business Information Server version 10. Previous versions may also be affected. V. WORKAROUND iDefense is currently unaware of any workarounds for this issue. VI. VENDOR RESPONSE Unisys has released a patch which addresses this issue. For more information, consult their advisory at the following URL: ftp://ftp.support.unisys.com/pub/mapper/NT/BIS10.1/Readme.txt VII. CVE INFORMATION The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2009-1628 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems. VIII. DISCLOSURE TIMELINE 06/22/2008 - Initial Contact 04/24/2009 - Second Contact Attempt 04/28/2009 - Initial Vendor Response 05/06/2009 - Clarification requested 05/06/2009 - Unisys Lawyer lodge request. 05/06/2009 - Sent Clarification. 05/06/2009 - Clarification received and new clarification requested. 05/07/2009 - Unisys request response. 05/07/2009 - iDefense response regarding PGP key 05/07/2009 - Unisys confirmation. 06/22/2009 - CVE-2009-1628 Assigned by vendor 06/25/2009 - Coordinated Public Disclosure IX. CREDIT This vulnerability was reported to iDefense by FistFuXXer. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright © 2009 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@xxxxxxxxxxxx for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFKQ7m+bjs6HoxIfBkRAreUAJ9JI7pHBACNfa0Ku/RTzAe0e6Pd/QCfWo5P P09h1neq9/0hyh3ekN9ID3I= =FNLu -----END PGP SIGNATURE-----