TMA-IIS-2.7

Ensure 'passwordFormat' is not set to clear

AltaNivel 1Automatizadaiis

Descripción

The <credentials> element of the <authentication> element allows optional definitions of name and password for IIS Manager User accounts within the configuration file. Forms based authentication also uses these elements to define the users. IIS Manager Users can use the administration interface to connect to sites and applications in which they've been granted authorization. Note ... forms credentials passwordFormat must not be Clear in the root web.config or any site. PowerShell 5.1 with the WebAdministration module; run elevated.

Cómo se verifica

Método de auditoría: Comando de shell

shell

Import-Module WebAdministration -ErrorAction Stop; $paths = @('MACHINE/WEBROOT') + @(Get-Website | ForEach-Object { "IIS:\Sites\$($_.Name)" }); $bad = @($paths | Where-Object { $c = Get-WebConfiguration -Filter 'system.web/authentication/forms/credentials' -PSPath $_; [string]$c.passwordFormat -eq 'Clear' }); if ($bad.Count -eq 0) { 'compliant' } else { 'noncompliant' }

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Set-WebConfigurationProperty -PSPath 'MACHINE/WEBROOT/APPHOST/<site>' -Filter system.web/authentication/forms/credentials -Name passwordFormat -Value SHA1 (and replace clear-text passwords with hashes)

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: iisauthentication
Referencia: CIS Microsoft IIS 10 Benchmark v1.2.1 - 2.7 Ensure 'passwordFormat' is not set to clear

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell

tmaegis scan --target iis