Fortinet FortiOS 4.3.x < 4.3.19 TLS and IPSEC Information Disclosure

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote host is affected by an information disclosure
vulnerability.

Description :

The remote FortiGate device is running a version of FortiOS that is
4.3.x prior to 4.2.19. It is, therefore, affected by a flaw due to
the implementation the ANSI X9.31 RNG that is used to decrypt TLS and
IPSec traffic. A man-in-the-middle (MitM) attacker can exploit this to
disclose sensitive information.

See also :

http://www.nessus.org/u?fb9373c0

Solution :

Upgrade to Fortinet FortiOS version 4.3.19 / 5.0 or later.

Risk factor :

Low / CVSS Base Score : 2.6
(CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 1.9
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Firewalls

Nessus Plugin ID: 95440 ()

Bugtraq ID: 94480

CVE ID: CVE-2016-8492

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