full-disclosure - VERY HIGH VULNERABILITY DISCLOSURE !!! MASS ROOT POSSIBLE !!! PLEASE BE ATTENTIVE !!!

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From: dhill+fulldisc at cricalix.net (Duncan Hill)
Subject: VERY HIGH VULNERABILITY DISCLOSURE !!! MASS ROOT POSSIBLE !!! PLEASE BE ATTENTIVE !!!

On Saturday 03 July 2004 05:40, Frog M@n wrote:
> This is IHCTEAM material. We fuck blackhats and we own the planet.
> This is a leet advisory, s0 l33t. Just read it and be quiet.

> There is a BIGBUG in all php versions, in the include() function.
> If this function is badly used, a roxor hax0r (like us) can compromise
> a box remotely. He can execute commands with apache rights.
>
> Example:
>
> www.fuck-teso.com/index.php?page=whitehats.php
>
> index.php:
> ...
> include($page); // <--- fucking lame

php.ini
register_globals = off
and/or
allow_url_fopen = false

For php versions < 4.0.4, compile with --disable-url-fopen-wrapper

Basic comprehension skills, and a quick check of the PHP manual tells you all 
you need to know.  The PHP folks have advocated for over a year to disable 
register_globals and use the super globals instead.

Using include or require with a variable that the user can supply is just poor 
coding, not a bug in the language.