[Full-disclosure] iDefense Security Advisory 06.25.09: Unisys Business Information Server Stack Buffer Overflow

[iDefense Labs <labs-no-reply@xxxxxxxxxxxx>]

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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

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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.
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