CYBSEC - Security Pre-Advisory: SAP Internet Graphics Service (IGS) Remote Arbitrary File Removal
(The following pre-advisory is also available in PDF format for download at:
http://www.cybsec.com/vuln/CYBSEC-Security_Pre-Advisory_SAP_IGS_Remote_Arbitrary_File_Removal.pdf
)
CYBSEC S.A.
www.cybsec.com
Pre-Advisory Name: SAP Internet Graphics Service (IGS) Remote Arbitrary File
Removal
==================
Vulnerability Class: Path Traversal
====================
Release Date: 12/05/2006
=============
Affected Applications:
======================
* SAP IGS 6.40 Patchlevel <= 16
* SAP IGS 7.00 Patchlevel <= 6
Affected Platforms:
===================
* AIX 64 bits
* HP-UX on IA64 64bit
* HP-UX on PA-RISC 64bit
* Linux on IA32 32bit
* 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
* Windows Server on IA32 32bit
* Windows Server on IA64 64bit
* Windows Server on x64 64bit
Local / Remote: Remote
===============
Severity: High
=========
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 remove any file located in SAP IGS
file-system.
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:
=======
Under UNIX systems, successful exploitation of this vulnerability may allow an
attacker to remotely remove files existing on the SAP IGS file-system.
These files must have write permission for SAP System Administrator account
(<SID>adm).
Under Microsoft Windows systems, successful exploitation of this vulnerability
may allow an attacker to remove any files existing on the SAP IGS
file-system.
Solutions:
==========
SAP has released patches to address this vulnerability. Affected customers
should apply the patches immediately.
Vendor Response:
================
* 11/03/2006: Initial Vendor Contact.
* 11/06/2006: Vendor Confirmed Vulnerability.
* 11/29/2006: Vendor Releases Update for version 6.40.
* 11/29/2006: Vendor Releases Update for version 7.00.
* 12/05/2006: 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