URLs must be whitelisted for plugin use

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-221585	DTBC-0051	SV-221585r508655_rule		Medium

Description
This policy allows you to set a list of URL patterns that specify sites which are allowed to run the Flash plugin. If this policy is left not set, the global default value will be used for all sites either from the "DefaultPluginsSetting" policy if it is set, or the user’s personal configuration otherwise.

STIG	Date
Google Chrome Current Windows Security Technical Implementation Guide	2020-09-22

Details

Check Text ( C-23300r415882_chk )
Universal method: 1. In the omnibox (address bar) type chrome://policy 2. If PluginsAllowedForUrls is not displayed under the Policy Name column or it is not set to a list of administrator approved URLs under the Policy Value column, then this is a finding. Windows method: 1. Start regedit 2. Navigate to HKLM\Software\Policies\Google\Chrome\ 3. If the PluginsAllowedForUrls key does not exist and it does not contain a list of administrator approved URLs then this is a finding. Suggested: the set or subset of [.]mil and [.]gov

Check Text ( C-23300r415882_chk )

Universal method:
1. In the omnibox (address bar) type chrome://policy
2. If PluginsAllowedForUrls is not displayed under the Policy Name column or it is not set to a list of administrator approved URLs under the Policy Value column, then this is a finding.

Windows method:
1. Start regedit
2. Navigate to HKLM\Software\Policies\Google\Chrome\
3. If the PluginsAllowedForUrls key does not exist and it does not contain a list of administrator approved URLs then this is a finding.

Suggested: the set or subset of [*.]mil and [*.]gov

Fix Text (F-23289r415883_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: Allow the Flash plugin on these sites Policy State: Enabled Policy Value 1: [.]mil Policy Value 2: [.]gov