Fortinet FortiOS 5.6.0 Remote Code Execution (FG-IR-18-018)

High Nessus Plugin ID 122855

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VPR Score: 5.9

Synopsis

The remote host may be affected by unauthorized code execution which could possibly lead to memory corruption.

Description

The version of Fortinet FortiOS running on the remote device is 5.6.0.
It is, therefore, affected by a remote execution vulnerability which can be exploited via the SSH username variable. A remote attacker can exploit this to bypass authentication and execute arbitrary commands which could cause memory corruption

Solution

Upgrade to Fortinet FortiOS version 5.6.1 or later.

See Also

https://fortiguard.com/psirt/FG-IR-18-018

Plugin Details

Severity: High

ID: 122855

File Name: fortios_FG-IR-18-018.nasl

Version: 1.2

Type: local

Family: Firewalls

Published: 2019/03/14

Updated: 2019/10/30

Dependencies: 73522

Configuration: Enable paranoid mode

Risk Information

Risk Factor: High

VPR Score: 5.9

CVSS Score Source: CVE-2018-1352

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.5

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

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, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 2019/02/11

Vulnerability Publication Date: 2019/02/11

Reference Information

CVE: CVE-2018-1352

BID: 106960