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Message-Id: <200904150754.n3F7spO4000863@ca.secunia.com>
Date: Wed, 15 Apr 2009 09:54:51 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: bugtraq@...urityfocus.com
Subject: Secunia Research: SAP GUI KWEdit ActiveX Control "SaveDocumentAs()" Insecure Method

====================================================================== 

                     Secunia Research 15/04/2009

- SAP GUI KWEdit ActiveX Control "SaveDocumentAs()" Insecure Method -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* SAP GUI 6.40 Patch 29 (KWEDIT.DLL version 6400.1.1.41)
* SAP GUI 7.10 Patch 5 (KWEDIT.DLL version 7100.1.1.43)

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Highly critical
Impact: System compromise
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

"SAP GUI is SAP's universal client for accessing SAP functionality in
SAP applications such as - SAP ERP, SAP Business Suite (SAP CRM, SAP
SCM and SAP PLM), SAP Business Intelligence and so on. SAP GUI
functions like a browser. It gets information from the SAP server like
what, where, when and how, to display contents in its window.".

Product Link:
https://www.sdn.sap.com/irj/sdn/sap-gui

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a security issue in SAP GUI, which can
be exploited by malicious people to gain knowledge of sensitive 
information, corrupt files, or compromise a user's system.

The problem is that the bundled KWEdit ActiveX control (KWEDIT.DLL) 
provides the insecure method "SaveDocumentAs()", which saves an HTML 
document to a specified location. This can be exploited in combination
with e.g. the "OpenDocument()" method to disclose the contents of 
files or to execute arbitrary code on a user's system.

====================================================================== 
5) Solution 

Update to the latest versions, which reportedly set the kill-bit for 
the ActiveX control.

====================================================================== 
6) Time Table 

28/11/2008 - Vendor notified.
28/11/2008 - Vendor response.
14/01/2009 - Vendor provides patch for testing.
16/01/2009 - Vendor informed that patch prevents exploitation.
02/03/2009 - Status update requested.
02/03/2009 - Vendor provides status update.
15/04/2009 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Carsten Eiram, Secunia Research.

====================================================================== 
8) References

SAP Note 1294913:
https://service.sap.com/sap/support/notes/1294913

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2008-4830 for the vulnerability.

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2008-56/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================

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