Fortinet FortiClient CVE-2023-4863 - Heap overflow in Chrome/libwebp (FG-IR-23-381)

high Nessus Plugin ID 214092

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-23-381 advisory.

- Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical) (CVE-2023-4863)

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 7.0.10/7.2.3 or later.

Plugin Details

Severity: High

ID: 214092

File Name: forticlient_FG-IR-23-381.nasl

Version: 1.1

Type: local

Agent: windows

Family: Windows

Published: 1/14/2025

Updated: 1/14/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.8

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2023-4863

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

Vulnerability Information

CPE: cpe:/a:fortinet:forticlient

Required KB Items: installed_sw/FortiClient

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/14/2025

Vulnerability Publication Date: 9/12/2023

CISA Known Exploited Vulnerability Due Dates: 10/4/2023

Reference Information

CVE: CVE-2023-4863

Detections

Analytics