This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.
The remote Amazon Linux AMI host is missing a security update.
Unspecified vulnerability in the _php_stream_scandir function in the
stream implementation in PHP before 5.3.15 and 5.4.x before 5.4.5 has
unknown impact and remote attack vectors, related to an 'overflow.'
See also :
Run 'yum update php' to update your system.
Risk factor :
Critical / CVSS Base Score : 10.0