Handle exceptions in mysql_login

lib/msf/core/exploit/mysql.rb

@@ -40,6 +40,7 @@ module Exploit::Remote::MYSQL
 		disconnect if self.sock
 		connect
 
+		begin
 			@mysql_handle = ::RbMysql.connect({
 				:host           => rhost,
 				:port           => rport,
@@ -50,6 +51,21 @@ module Exploit::Remote::MYSQL
 				:password       => pass,
 				:db             => db
 			})
+		rescue Errno::ECONNREFUSED
+			vprint_error("Connection refused")
+			return false
+		rescue RbMysql::ClientError
+			vprint_error("Connection timedout")
+			return false
+		rescue Errno::ETIMEDOUT
+			vprint_error("Operation timedout")
+			return false
+		rescue RbMysql::AccessDeniedError
+			vprint_error("Access denied")
+			return false
+		end
+
+		return true
 	end
 
 	def mysql_logoff