Address spoofing vulnerability in Safari Web Browser

Published: 2015-05-18
Last Updated: 2015-05-18 21:13:16 UTC
by Manuel Humberto Santander Pelaez (Version: 1)
3 comment(s)

A new vulnerability arised in Safari Web Browser that can lead to an address spoofing allowing attackers to show any URL address while loading a different web page. While this proof of concept is not perfect, it could definitely be fixed to be used by phishing attacks very easily.

There is a proof of concept http://www.deusen.co.uk/items/iwhere.9500182225526788/. From an iPad Air 2 Safari Web Browser:

From same iPad using Google Chrome:

The code is very simple: webpage reloads every 10 milliseconds using the setInterval() function, just before the browser can get the real page and so the user sees the "real" web address instead of the fake one:

We are interested if you notice any phishing attacks using this vulnerability. If you see one, please let us know using our contact form.

Manuel Humberto Santander Peláez
SANS Internet Storm Center - Handler
Twitter: @manuelsantander
Web:http://manuel.santander.name
e-mail: msantand at isc dot sans dot org

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3 comment(s)
ISC StormCast for Monday, May 18th 2015 http://isc.sans.edu/podcastdetail.html?id=4487

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