From 9a3a8d1593085abbb8c0bfa1d00f8a175b412937 Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Wed, 30 Dec 2020 23:31:36 +0000
Subject: [PATCH] Check for output before returning. See #2212

---
 scripts/sslv2-drown.nse | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/scripts/sslv2-drown.nse b/scripts/sslv2-drown.nse
index 88e94d33e..b0d69898a 100644
--- a/scripts/sslv2-drown.nse
+++ b/scripts/sslv2-drown.nse
@@ -286,7 +286,11 @@ function action(host, port)
   local offered_ciphers = registry_get(host, port) or sslv2.test_sslv2(host, port)
   if not offered_ciphers then
     output.vulns = report:make_output()
-    return output
+    if (#output > 0) then
+      return output
+    else
+      return nil
+    end
   end
   if next(offered_ciphers) then
     output.ciphers = offered_ciphers
@@ -331,5 +335,7 @@ function action(host, port)
   report:add_vulns(cve_2016_0800)
 
   output.vulns = report:make_output()
-  return output
+  if (#output > 0) then
+    return output
+  end
 end