Bugtraq: 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
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