Re: WebCalendar Include File

[Emmanuel Lacour <elacour () easter-eggs com>]

On Sun, Jul 20, 2003 at 08:20:15PM -0500, noconflic wrote:
> Webcalendar 0.9.41 and below.
> http://webcalendar.sourceforge.net/
>
>   Since this appears to be public info now. 
>
> Problem: 
>   http://sourceforge.net/forum/forum.php?thread_id=901234&forum_id=11588
>
> Exploit:
>   http://www.some.host/webcalendar/[filename].php?user_inc=../../../../../etc/passwd   


The bug seems to be in includes/function.php

in the "temporary hack" to make webcalendar working with
register_globals set to "off".

A quick fix could be to add:

unset($HTTP_GET_VARS["user_inc"]);

at the beginning of "includes/function.php".



My 2 cents ;-)

-- 
Emmanuel Lacour ------------------------------------ Easter-eggs
44-46 rue de l'Ouest  -  75014 Paris   -   France -  Métro Gaité
Phone: +33 (0) 1 43 35 00 37    -     Fax: +33 (0) 1 41 35 00 76
mailto:elacour () easter-eggs com   -    http://www.easter-eggs.com