Check for nil, EOFError, and zero-length response

2018-03-02 13:28:20 -06:00
parent 0c0f00941b
commit 109bc87ffb
1 changed files with 7 additions and 1 deletions
@@ -77,7 +77,13 @@ class MetasploitModule < Msf::Exploit::Remote
      begin
        connect

-        if sock.get_once.length == 0
+        res = begin
+          sock.get_once || ''
+        rescue EOFError
+          ''
+        end
+
+        if res.length == 0
          print_good('Detected telnetenabled on TCP')
        else
          print_good('Detected telnetd on TCP')