SV-226147r794418: The Windows Connect Now wizards must be disabled. | Microsoft Windows Server 2012/2012 R2 Domain Controller STIG SCAP Benchmark

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Assessment Title

Rule Text

The Windows Connect Now wizards must be disabled.

Description

Discussion Text

Windows Connect Now provides wizards for tasks such as "Set up a wireless router or access point" and must not be available to users. Functions such as these may allow unauthorized connections to a system and the potential for sensitive information to be compromised.

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

IA Controls

NIST SP 800-53

Not mappedCCI-000381CCE-24665-2SV-53089V-15699

References

DPMS Target Microsoft Windows Server 2012-2012 R2 DC DISA DPMS Target Microsoft Windows Server 2012-2012 R2 DC 4217

Checks

OVAL

oval:mil.disa.fso.windows:var:444200 ← xccdf_mil.disa.stig_value_prohibit_access_of_the_windows_connect_now_wizards_var

DISA STIG (Manual Reference)

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Policies\Microsoft\Windows\WCN\UI\

Value Name: DisableWcnUi

Type: REG_DWORD
Value: 1

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.fso.windows:def:4442
# The Windows Connect Now wizards 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.

# Verifies 'Prohibit Access of the Windows Connect Now wizards' is set to 'Enabled'
# registry_object (registry_test)
function test_1 {
  return (((@{String='reg_sz';ExpandString='reg_expand_sz';Binary='reg_binary';DWord='reg_dword';MultiString='reg_multi_sz';QWord='reg_qword';None='reg_none'}[(Get-Item -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WCN\UI').GetValueKind('DisableWcnUi').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WCN\UI' -Name 'DisableWcnUi' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'DisableWcnUi') -eq 1))
}

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 ms_windows_2012_and_2012_r2_dc target this check assesses.

# OVAL Definition: oval:mil.disa.fso.windows:def:4442
$registryPath = "HKLM:\Software\Policies\Microsoft\Windows\WCN\UI"
$registryValueName = "DisableWcnUi"
$expectedValue = 1

if (Test-Path $registryPath) {
    $registryValue = Get-ItemProperty -Path $registryPath -Name $registryValueName -ErrorAction SilentlyContinue
    if ($registryValue -and $registryValue.$registryValueName -eq $expectedValue) {
        Write-Output "PASS"
        Exit 0
    }
}

Write-Output "FAIL"
Exit 1

Remediation

Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Windows Connect Now -> "Prohibit access of the Windows Connect Now wizards" to "Enabled".