Third party cookies must be blocked

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-35762	DTBC-0015	SV-47049r1_rule	ECSC-1	Medium

Description
"Blocks third party cookies. Enabling this setting prevents cookies from being set by web page elements that are not from the domain that is in the browser's address bar. Disabling this setting allows cookies to be set by web page elements that are not from the domain that is in the browser's address bar and prevents users from changing this setting. If this policy is left not set, third party cookies will be enabled but the user will be able to change that." - Google Chrome Administrators Policy List

Description

"Blocks third party cookies. Enabling this setting prevents cookies from being set by web page elements that are not from the domain that is in the browser's address bar. Disabling this setting allows cookies to be set by web page elements that are not from the domain that is in the browser's address bar and prevents users from changing this setting. If this policy is left not set, third party cookies will be enabled but the user will be able to change that." - Google Chrome Administrators Policy List

STIG	Date
Google Chrome v23 Windows STIG	2013-01-11

Details

Check Text ( C-44107r1_chk )
Universal method (Requires Chrome Browser v15 or later): 1. In the omnibox (address bar) type chrome://policy 2. If BlockThirdPartyCookies is not displayed under the Policy Name column or it is not set to true 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 BlockThirdPartyCookies value name does not exist or its value data is not set to 1, then this is a finding.

Check Text ( C-44107r1_chk )

Universal method (Requires Chrome Browser v15 or later):
1. In the omnibox (address bar) type chrome://policy
2. If BlockThirdPartyCookies is not displayed under the Policy Name column or it is not set to true 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 BlockThirdPartyCookies value name does not exist or its value data is not set to 1, then this is a finding.

Fix Text (F-40308r1_fix)
Valid for Chrome Browser version 10 or later. Windows registry: Key Path: HKLM\Software\Policies\Google\Chrome\ Value Name: BlockThirdPartyCookies Value Type: Boolean (REG_DWORD) Value Data: 1 Windows group policy: Policy Path: Computer Configuration\Administrative Templates\Google\Google Chrome\ Policy Name: Block third party cookies Policy State: Enabled Policy Value: N/A