if autotargeting fails fall back

fallback to the original first target if auto-targeting fails

Author: David Maloney

lib/msf/core/exploit.rb

@@ -689,10 +689,17 @@ def passive?
   #
   def target
     if self.respond_to?(:auto_targeted_index)
-      auto_idx = auto_targeted_index
-      if auto_idx.present?
-        datastore['TARGET'] = auto_idx
+      if auto_target?
+        auto_idx = auto_targeted_index
+        if auto_idx.present?
+          datastore['TARGET'] = auto_idx
+        else
+          # If our inserted Automatic Target was selected but we failed to
+          # find a suitable target, we just grab the original first target.
+          datastore['TARGET'] = 1
+        end
       end
+
     end
 
     target_idx = target_index