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Re: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape,Miranda, Skype
From: "Morning Wood" <se_cur_ity () hotmail com>
Date: Mon, 8 Oct 2007 03:51:52 -0700

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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