Document Title: =============== Joomla com_fabrik - Remote File Upload Vulnerability Release Date: ============= 2011-11-26 Vulnerability Laboratory ID (VL-ID): ==================================== 342 Product & Service Introduction: =============================== Joomla is a free and open source content management system (CMS) for publishing content on the World Wide Web and intranets and a model–view–controller (MVC) Web application framework that can also be used independently. Joomla is written in PHP, uses object-oriented programming (OOP) techniques and software design patterns, stores data in a MySQL database, and includes features such as page caching, RSS feeds, printable versions of pages, news flashes, blogs, polls, search, and support for language internationalization. Joomla had been downloaded 23 million times. Between March 2007 and February 2011 there had been more than 21 million downloads. As of November 2011, there are over 8,600 free and commercial extensions available from the official Joomla! Extension Directory and more available from other sources. (Copy of the Vendor Homepage: http://en.wikipedia.org/wiki/Joomla) Abstract Advisory Information: ============================== A Vulnerability-Lab researcher discovered a remote file upload vulnerability on the com_fabrik module of the joomla CMS. Vulnerability Disclosure Timeline: ================================== 2011-11-26: Public or Non-Public Disclosure Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== Critical Technical Details & Description: ================================ A remote file upload vulnerability is detected on the the com_fabrik module of the joomla CMS, The bug allows an remote attacker to upload any file with any extension. Successful exploitation of the bug can lead to website & server compromise. Vulnerable Module(s): [+] com_fabrik Vulnerable Param(s): [+] import Proof of Concept (PoC): ======================= The vulnerability can be exploited by remote attackers. For demonstration or reproduce ... PoC: http://<site>/<Joomla Installation Path>/ index.php?option=com_fabrik&c=import&view=import&filetype=csv&tableid=1 The uploaded file will be located here : http://<site>/<Joomla Installation Path>/media/<uploaded_file> Full: (reproduce) http://geoinfo.uneca.org/ggim/index.php?option=com_fabrik&c=import&view=import&filetype=csv&tableid=1 Security Risk: ============== The security risk of the remote file upload vulnerability is estimated as high(+). Credits & Authors: ================== Vulnerability Research Laboratory - Ismail Kaleem Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability- Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases or trade with fraud/stolen material. Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.vulnerability-lab.com/register Contact: admin@vulnerability-lab.com - support@vulnerability-lab.com - research@vulnerability-lab.com Section: video.vulnerability-lab.com - forum.vulnerability-lab.com - news.vulnerability-lab.com Social: twitter.com/#!/vuln_lab - facebook.com/VulnerabilityLab - youtube.com/user/vulnerability0lab Feeds: vulnerability-lab.com/rss/rss.php - vulnerability-lab.com/rss/rss_upcoming.php - vulnerability-lab.com/rss/rss_news.php Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability Laboratory. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other media, are reserved by Vulnerability-Lab Research Team or its suppliers. All pictures, texts, advisories, sourcecode, videos and other information on this website is trademark of vulnerability-lab team & the specific authors or managers. To record, list (feed), modify, use or edit our material contact (admin@vulnerability-lab.com or support@vulnerability-lab.com) to get a permission. Copyright © 2012 | Vulnerability Laboratory