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Fortinet FortiClient Insecure Temporary File (CWE-377) vulnerability (FG-IR-20-040)

high Nessus Plugin ID 209743

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Synopsis

remote Windows host is missing one or more security-related updates.

Description

The version of FortiClient installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-20-040 advisory.

 - An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack. (CVE-2020-9291)

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

Solution

Please upgrade to FortiClientWindows version 6.0.10/6.2.2 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-20-040

Plugin Details

Severity: High

ID: 209743

File Name: forticlient_FG-IR-20-040.nasl

Version: 1.2

Type: local

Agent: windows

Family: Windows

Published: 10/26/2024

Updated: 10/29/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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-2020-9291

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:/a:fortinet:forticlient

Required KB Items: installed_sw/FortiClient

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 6/1/2020

Reference Information

CVE: CVE-2020-9291