It's always nice to add other useful references, for example.+

```ruby
'References' => [
    [ 'CVE', '2013-1362'],
    [ 'OSVDB', '90582'],
    [ 'BID', '58142'],
    [ 'URL', 'http://www.occamsec.com/vulnerabilities.html#nagios_metacharacter_vulnerability']
],
```