SV-245539r769360: Session only based cookies must be disabled. | Google Chrome Current Windows Security Technical Implementation Guide

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Assessment Title

Rule Text

Session only based cookies must be disabled.

Description

Discussion Text

Cookies set by pages matching these URL patterns will be limited to the current session, i.e. they will be deleted when the browser exits. For URLs not covered by the patterns specified here, or for all URLs if this policy is not set, the global default value will be used either from the 'DefaultCookiesSetting' policy, if it is set, or the user's personal configuration otherwise.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000166

References

DPMS Target Google Chrome Current Windows DISA DPMS Target Google Chrome Current Windows 4081

Checks

DISA STIG (Manual Reference)

Universal method: 
1. In the omnibox (address bar) type chrome://policy.
2. If the policy "CookiesSessionOnlyForUrls" exists and has any defined values, this is a finding.

Windows method:
1. Start regedit.
2. Navigate to HKLM\Software\Policies\Google\Chrome\CookiesSessionOnlyForUrls.
3. If this key exists and has any defined values, this is a finding.

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

# Windows PowerShell
# Reconstructed from oval:mil.disa.stig.chrome:def:240045
# Session only based cookies must be disabled.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# Registry check
# registry_object (registry_test)
function test_1 {
  return (-not ($null -ne (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Google\Chrome\CookiesSessionOnlyForUrls' -Name '')))
}

if (test_1) {
  Write-Output "PASS"
} else {
  Write-Output "FAIL"
}

Assessment Script Powered by AISyntax-verified

A standalone PowerShell script to assess this control automatically. Review before running it in your environment.

Syntax-checked as valid PowerShell. Not executed here — running it for real needs the actual google_chrome_windows target this check assesses.

# OVAL Definition: oval:mil.disa.stig.chrome:def:240045
if (!(Test-Path 'HKLM:\Software\Policies\Google\Chrome\CookiesSessionOnlyForUrls')) {exit 1} else {exit 0}

Remediation

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: Limit cookies from matching URLs to the current session
- Policy State: Disabled
- Policy Value: N/A