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RE: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape, Miranda, Skype
From: "Brett Moore" <brett.moore () insomniasec com>
Date: Tue, 9 Oct 2007 16:29:01 +1300

Hey.

I've been waiting to see when somebody finally got around to testing
Outlook express. 

It's also possible to exploit this through Outlook full version from
office 2003. 

I have also discovered other problems (not difficult to fine) which
allows the execution of any program which has registered as a 
document handler, with the URL been passed to it. 

This gets interesting when the local application has problems such
as a command line buffer overflow.

I'm guessing this is similar to what has been documented here.
 http://xs-sniper.com/blog/2007/09/01/firefox-file-handling-woes/

.brett


On 10/8/07, Morning Wood <se_cur_ity () hotmail com> wrote:
these work inside OE, default with html turned off
they do not work when clicked from a normal
local html.

----- Original Message -----
From: "Thierry Zoller" <Thierry () Zoller lu>
To: <bugtraq () securityfocus com>; <full-disclosure () lists grok org uk>
Sent: Saturday, October 06, 2007 8:06 AM
Subject: Re: [Full-disclosure] URI handling woes in Acrobat Reader,
Netscape,Miranda, Skype


Dear All,

mailto:test%../../../../windows/system32/calc.exe".cmd
I would deem 1 and 3 as resonable (intented) behaviour.

2) now do the very same thing on a system with Windows XP and IE7.
calc.exe is executed.
Confirmed here, that's definately a Problem, and should be linked to
the Windows URI Handler. (IMHO)


The behaviour is this :
The extension determines the handler to use to shell
"../../../../windows/system32/calc.exe"

Example :
mailto:test%../../../../windows/system32/calc.exe".cmd
Usese the cmd handler to open calc (which executes)

mailto:test%../../../../windows/system32/calc.exe".txt
uses notepad and tries to open calc.

Somethings definately broken with the URI handler (imho)


--
http://secdev.zoller.lu
Thierry Zoller
Fingerprint : 5D84 BFDC CD36 A951 2C45  2E57 28B3 75DD 0AC6 F1C7

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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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  • RE: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape, Miranda, Skype Brett Moore (Oct 09)
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