Add nil check for quick response

2019-06-04 08:36:58 -05:00
parent 6a8e4366ae
commit e15840f8db
1 changed files with 1 additions and 1 deletions
@@ -182,7 +182,7 @@ class MetasploitModule < Msf::Auxiliary

      # Quick check for the Ultimatum PDU
      res = sock.get_once(-1, 1)
-      return Exploit::CheckCode::Vulnerable if res.include?(["0300000902f0802180"].pack("H*"))
+      return Exploit::CheckCode::Vulnerable if res && res.include?(["0300000902f0802180"].pack("H*"))

      # Slow check for Ultimatum PDU. If it doesn't respond in a timely
      # manner then the host is likely patched.