This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.
The remote Amazon Linux AMI host is missing a security update.
The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier,
when running in UDP mode, allows remote attackers to obtain sensitive
information via a timing attack involving an HMAC comparison function
that does not run in constant time and a padding oracle attack on the
CBC mode cipher.
See also :
Run 'yum update openvpn' to update your system.
Risk factor :
Low / CVSS Base Score : 2.6