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Fortinet FortiClient NDIS Miniport Driver Null Pointer Dereference

medium Nessus Plugin ID 122858

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Synopsis

The remote Windows host is affected by a denial of service vulnerability.

Description

The version of Fortinet FortiClient running on the remote host is prior to 6.0.3. It is, therefore, affected by a NULL pointer dereference flaw due to a failure to utilize necessary NULL checks before doing indirect function calls. An unauthenticated, local attacker can exploit this, via the NDIS Miniport drivers, to cause a denial of service condition when the application attempts to read or write memory with a NULL pointer.

Solution

Upgrade to Fortinet FortiClient 6.0.3 or later.

See Also

https://fortiguard.com/psirt/FG-IR-18-092

Plugin Details

Severity: Medium

ID: 122858

File Name: forticlient_6_0_3.nasl

Version: 1.2

Type: local

Agent: windows

Family: Windows

Published: 3/14/2019

Updated: 10/30/2019

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2018-9190

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/a:fortinet:forticlient

Required KB Items: SMB/Registry/Enumerated, installed_sw/FortiClient

Exploit Ease: No known exploits are available

Patch Publication Date: 2/8/2019

Vulnerability Publication Date: 1/11/2019

Reference Information

CVE: CVE-2018-9190