Fortinet FortiClient 6.0.x / 6.2.x / 6.4.x < 6.4.7 / 7.x < 7.0.1 Privilege Escalation (FG-IR-21-088)

high Nessus Plugin ID 162140

Synopsis

The remote Windows host is affected by a privilege escalation vulnerability.

Description

The version of Fortinet FortiClient running on the remote host is affected by a privilege escalation vulnerability. An unsafe search path vulnerability in FortiClien Windows 7.0.0, 6.4.6 and below, 6.2.x, and 6.0.x may allow an attacker to perform a DLL Hijack attack on affected devices via a malicious OpenSSL engine library in the search path.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Fortinet FortiClient 6.4.7, 7.0.1, or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-21-088

Plugin Details

Severity: High

ID: 162140

File Name: forticlient_FG-IR-21-088.nasl

Version: 1.2

Type: local

Agent: windows

Family: Windows

Published: 6/13/2022

Updated: 6/14/2022

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-44169

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/a:fortinet:forticlient

Required KB Items: installed_sw/FortiClient

Exploit Ease: No known exploits are available

Patch Publication Date: 11/29/2021

Vulnerability Publication Date: 11/29/2021

Reference Information

CVE: CVE-2021-44169