Tag Archive for chillyCMS 1.3.0 shell Upload Açığı

chillyCMS 1.3.0 – Multiple Vulnerabilities

chillyCMS 1.3.0 Versiyonunda zip uzantılı dosya php uzantıya çevrilmek suretiyle shell upload açığı oluşmuş olup, açık hakkında açıklamalar şu şekilde;

# Exploit Title: chillyCMS 1.3.0 Multiple Vulnerabilities
# Google Dork: "powered by chillyCMS"
# Date: 15 February 2013
# Exploit Author: Abhi M Balakrishnan
# Vendor Homepage: http://chillycms.bplaced.net/
# Software Link: http://chillycms.bplaced.net/chillyCMS/media/files/chillyCMS_full.zip
# Version: 1.3.0
# Tested on: uWAMP 2.1 (PHP 5.2.17, MySQL 5.5.9), Windows 8
# Video: http://www.youtube.com/watch?v=6B3rND9S75g

# Vulnerability
	Failure to Restrict URL Access
	chillyCMS uses 302 redirects to restrict access to the unautorized pages.
# Exploit
    Step 1: Create a rule in No-Redirect Add-on: ^http://localhost/chillyCMS/
    Step 2: Access http://localhost/chillyCMS/admin/

# Vulnerability
	Arbitrary File Upload
	chillyCMS/admin/design.site.php page extracts all uploaded ZIP files to chillyCMS/tmp directory
# Exploit
    Step 1: Create a ZIP file of the files to be uploaded. Example: Compress shell.php to get shell.zip
    Step 2: Upload shell.zip
	Step 3: Access the shell at http://localhost/chillyCMS/tmp/shell.php
# History
	11 March 2012 - Discovered vulnerability and exploit, contacted the vendor.
	12 March 2012 - Vendor responds back, exchanges few mails.
	15 November 2012 - Vendor discontinues further development.
	15 February 2013 - Published the vulnerabilities and exploits to the public.
# How to reproduce
	The latest download from the website was not working on fresh install. An earlier version (1.1.3) has been installed and all the PHP files, except config.php, have been replaced with new files.