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(The following advisory is also available in PDF format for download at:
http://www.cybsec.com/vuln/CYBSEC-Security_Pre-Advisory_SAP_IGS_Remote_Denial_of_Service.pdf )


CYBSEC S.A.
www.cybsec.com

Pre-Advisory Name: SAP Internet Graphics Service (IGS) Remote Denial of Service
==================

Vulnerability Class: Design Flaw
====================

Release Date: 08/10/2006
=============

Affected Applications:
======================
* SAP IGS 6.40 Patchlevel <= 15
* SAP IGS 7.00 Patchlevel <= 3

Affected Platforms:
===================
* AIX 64 bits
* HP-UX on IA64 64bit
* HP-UX on PA-RISC 64bit
* Linux on IA64 64bit
* Linux on Power 64bit
* Linux on x86_64 64bit
* Linux on zSeries 64bit
* OS/400 V5R2M0
* Solaris on SPARC 64bit
* TRU64 64bit

Local / Remote: Remote
===============

Severity: Medium
=========

Author:  Mariano Nuñez Di Croce
=======

Vendor Status:
==============
* Confirmed, update released.

Reference to Vulnerability Disclosure Policy:
=============================================
http://www.cybsec.com/vulnerability_policy.pdf

Product Overview:
==================
"The IGS provides a server architecture where data from an SAP System or other sources can be used to generate graphical or non-graphical output."

It is important to note that IGS is installed and activated by default with the Web Application Server (versions >= 6.30)

Vulnerability Description:
==========================
A specially crafted HTTP request can derive in the finalization of SAP IGS Service.

Technical Details:
==================
Technical details will be released three months after publication of this pre-advisory. This was agreed upon with SAP to allow their customers to upgrade affected software prior to technical knowledge
been publicly available.

Impact:
=======
Successful exploitation of this vulnerability allows to remotely shutdown SAP IGS service.

Solutions:
==========
SAP has released patches to address this vulnerability. Affected customers should apply the patches immediately.
More information can be found on SAP Note 968423.

Vendor Response:
================
* 06/02/2006: Initial Vendor Contact.
* 06/09/2006: Vendor Confirmed Vulnerability.
* 07/03/2006: Vendor Releases Update for version 6.40.
* 07/13/2006: Vendor Releases Update for version 7.00.
* 08/10/2006: Pre-Advisory Public Disclosure.

Special Thanks:
===============
Thanks goes to Carlos Diaz and Victor Montero.

Contact Information:
====================
For more information regarding the vulnerability feel free to contact the author at mnunez {at} cybsec.com. Please bear in mind that technical details will be disclosed to the general public three
months after the release of this pre-advisory.


For more information regarding CYBSEC: www.cybsec.com
(c) 2006 - CYBSEC S.A. Security Systems
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