Ensure 'Enable strict MIME type checking for worker scripts' Is Enabled

中级别 1自动化chrome

说明

This setting controls the ability for Google Chrome to upgrade to HTTPS from HTTP while navigating to certain sites. It can be configured to either: - Disabled (0): Scripts for workers (Web Workers, Service Workers, etc.) use lax MIME type checking. Worker scripts with legacy MIME types, like text/ascii, will work. Rationale: Setting this policy will require worker scripts to use more secure and strict JavaScript MIME types and ones with legacy MIME Types will be rejected. Audit reads the Group Policy registry value and prints 'compliant', 'unset' (policy not configured, reported as FAIL) or the non-compliant value. Registry value: HKLM\SOFTWARE\Policies\Google\Chrome:StrictMimetypeCheckForWorkerScriptsEnabled (REG_DWORD); compliant when it is 1. Remediation writes 1 locally; in a domain set it through the ADMX so Group Policy does not revert it.

检查方式

审计方法: Windows 注册表

registry

$v = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome' -Name 'StrictMimetypeCheckForWorkerScriptsEnabled' -ErrorAction SilentlyContinue).'StrictMimetypeCheckForWorkerScriptsEnabled'; if ($null -eq $v) { 'unset' } elseif (($null -ne $v -and @(1) -contains [int64]$v)) { 'compliant' } else { "non-compliant: $v" }

预期输出: compliant

修复方式

修复方法: Shell 命令

shell

$p = 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome'; if (-not (Test-Path -Path $p)) { New-Item -Path $p -Force | Out-Null }; New-ItemProperty -Path $p -Name 'StrictMimetypeCheckForWorkerScriptsEnabled' -Value 1 -PropertyType DWord -Force | Out-Null

属性

操作系统: 任意
标签: chromebrowsercis-l1
参考: CIS Google Chrome Benchmark v3.0.0 - 2.31 Ensure 'Enable strict MIME type checking for worker scripts' Is Enabled

检查本机

请在您有权审计的机器上运行此命令。扫描为只读操作。

shell

tmaegis scan --target chrome