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

medium Nessus Plugin ID 95440

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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.

Solution

Upgrade to Fortinet FortiOS version 4.3.19 / 5.0 or later.

Plugin Details

Severity: Medium

ID: 95440

File Name: fortios_CVE-2016-8492.nasl

Version: 1.7

Type: local

Family: Firewalls

Published: 12/1/2016

Updated: 11/13/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2016-8492

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/model, Host/Fortigate/version

Exploit Ease: No known exploits are available

Patch Publication Date: 11/22/2016

Vulnerability Publication Date: 11/22/2016

Reference Information

CVE: CVE-2016-8492

BID: 94480

Detections

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