WebUSB must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-221591	DTBC-0058	SV-221591r615937_rule		Medium

Description

Allows you to set whether websites are allowed to get access to connected USB devices. Access can be completely blocked, or the user can be asked every time a website wants to get access to connected USB devices. If this policy is left not set, ”3” will be used, and the user will be able to change it. 2 = Do not allow any site to request access to USB devices via the WebUSB API 3 = Allow sites to ask the user to grant access to a connected USB device

STIG	Date
Google Chrome Current Windows Security Technical Implementation Guide	2022-09-09

Details

Check Text ( C-23306r415900_chk )

Universal method: 1. In the omnibox (address bar) type chrome://policy 2. If "DefaultWebUsbGuardSetting" is not displayed under the "Policy Name" column or it is not set to "2", this is a finding. Windows method: 1. Start regedit 2. Navigate to HKLM\Software\Policies\Google\Chrome\ 3. If the "DefaultWebUsbGuardSetting" value name does not exist or its value data is not set to "2", this is a finding.

Fix Text (F-23295r415901_fix)
Windows group policy: 1. Open the “group policy editor” tool with gpedit.msc 2. Navigate to Policy Path: Computer Configuration\Administrative Templates\Google\Google Chrome\Content Settings Policy Name: Control use of the WebUSB API Policy State: Enabled Policy Value: 2