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Re: Mozilla protocol abuse
From: bugtraq () cgisecurity net
Date: Wed, 25 Jul 2007 15:00:44 -0400 (EDT)

Does anyone know of a full list of Protocol handlers on the major browsers in a central location?

- Robert
http://www.cgisecurity.com/ Application Security news and more.

 
The Mozilla application platform currently has an unpatched input 
validation flaw which allows you to specify arbitrary command line 
arguments to any registered URL protocol handler process. Jesper 
Johansson already detailed parts of this on his blog on July 20, 
http://msinfluentials.com/blogs/jesper/. I wrote a vulnerability report 
on July 18 together with a proof-of-concept exploit that targeted 
Thunderbird 2.0.0.4.

Thunderbird 2.0.0.5 was released on July 19 and incidentally fixed this 
specific attack vector through its "osint" command line flag. It is now 
6 days later and people should have had time to update their Thunderbird 
installations, so I have decided to publish my vulnerability report 
together with the exploits as they detail how to handle XPI exploitation.

The HTML version can be found at

http://larholm.com/2007/07/25/mozilla-protocol-abuse/

A ZIP file with the report and the XPI exploits can be found at

http://larholm.com/media/2007/7/mozillaprotocolabuse.zip 


Cheers
Thor Larholm

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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/


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