bugtraq - Re: [Full-disclosure] Mozilla protocol abuse

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Date: Wed, 25 Jul 2007 15:00:44 -0400 (EDT)
From: bugtraq@...security.net
To: seclists@...holm.com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] Mozilla protocol abuse

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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