Joomla! 1.6.0 | Information Disclosure/Full Path Disclosure Vulnerability 1. OVERVIEW Joomla! 1.6.0 is vulnerable to Full Path Disclosure. 2. BACKGROUND Joomla is a free and open source content management system (CMS) for publishing content on the World Wide Web and intranets. It comprises a modelâviewâcontroller (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. 3. VULNERABILITY DESCRIPTION Direct access to a library file was not protected, which causes revealing the full internal path of a server whose PHP setting is set to show errors. 4. VERSION AFFECTED Joomla! 1.6.0 5. PROOF-OF-CONCEPT/EXPLOIT http://attacker.in/joomla160/libraries/phpmailer/language/phpmailer.lang-joomla.php 6. SOLUTION Upgrade to Joomla! 1.6.1 or higher 7. VENDOR Joomla! Developer Team http://www.joomla.org 8. CREDIT Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar. 9. DISCLOSURE TIME-LINE 2011-01-24: notified vendor 2011-03-08: vendor released fix 2011-03-23: vulnerability disclosed 10. REFERENCES Vendor Advisory URL: http://developer.joomla.org/security/news/328-20110201-core-sql-injection-path-disclosure.html Original Advisory URL: http://yehg.net/lab/pr0js/advisories/joomla/core/[joomla_1.6.0]_full_path_disclosure inspathx signature: http://code.google.com/p/inspathx/source/browse/trunk/paths_vuln/joomla-1.6.0 WASC-13: http://projects.webappsec.org/w/page/13246936/Information-Leakage CWE-200: http://cwe.mitre.org/data/definitions/200.html #yehg [2011-03-23]