From 3bb17dad72ea0eface3a99ce222cb0df02270903 Mon Sep 17 00:00:00 2001
From: sinn3r <wei_chen@rapid7.com>
Date: Sat, 25 Jan 2014 20:10:22 -0600
Subject: [PATCH] Check argument

---
 lib/msf/ui/console/module_command_dispatcher.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/msf/ui/console/module_command_dispatcher.rb b/lib/msf/ui/console/module_command_dispatcher.rb
index 8fcab6b909..10573cba18 100644
--- a/lib/msf/ui/console/module_command_dispatcher.rb
+++ b/lib/msf/ui/console/module_command_dispatcher.rb
@@ -109,7 +109,10 @@ module ModuleCommandDispatcher
     hosts = Rex::Socket::RangeWalker.new(ip_range_arg)
 
     begin
-      if hosts.ranges.blank?
+      if hosts.ranges.blank? and mod.datastore['RHOST'].blank?
+        print_error("No host specified")
+        return
+      elsif hosts.ranges.blank?
         # Check a single rhost
         check_simple
       else