Alter the socks5 bind request handling

lib/rex/proto/proxy/socks5/server_client.rb

@@ -202,8 +202,8 @@ module Socks5
     def handle_command_bind(request)
       # create a server socket for this request
       params = {
-        'LocalHost' => request.address,
-        'LocalPort' => request.port
+        'LocalHost' => request.address_type == Address::ADDRESS_TYPE_IPV6 ? '::' : '0.0.0.0',
+        'LocalPort' => 0,
       }
       params['Context'] = @server.opts['Context'] if @server.opts.has_key?('Context')
       bsock = Rex::Socket::TcpServer.create(params)

spec/lib/rex/proto/proxy/socks5/packet_spec.rb

@@ -64,6 +64,17 @@ RSpec.describe Rex::Proto::Proxy::Socks5::Packet do
     end
   end
 
+  describe "#read" do
+    it "should parse all fields" do
+      packet = Socks5::Packet.read("\x05\x01\x00\x01\x7f\x00\x00\x01\x00\x50")
+      expect(packet.version).to eq(Socks5::SOCKS_VERSION)
+      expect(packet.command).to eq(Socks5::ServerClient::COMMAND_CONNECT)
+      expect(packet.address_type).to eq(Socks5::Address::ADDRESS_TYPE_IPV4)
+      expect(packet.address).to eq('127.0.0.1')
+      expect(packet.port).to eq(80)
+    end
+  end
+
   describe "#to_binary_s" do
     it "should pack the data to a binary string" do
       packet = Socks5::Packet.new