SV-25121r1: User Account Control - Elevate UIAccess applications that are in secure locations. | Windows 7 Security Technical Implementation Guide

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Assessment Title

Rule Text

User Account Control - Elevate UIAccess applications that are in secure locations.

Description

Discussion Text

This check verifies whether Windows only allows applications installed in a secure location, such as the Program Files or the Windows\System32 folders, on the file system to run with elevated privileges.

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

IA Controls

NIST SP 800-53

Not mappedCCI-001084CCE-9801-2

Additional Details

Responsibility

System Administrator

References

DPMS Target Windows 7 DISA DPMS Target Windows 7 1712

Checks

OVAL

oval:mil.disa.fso.windows:var:373100 ← xccdf_mil.disa.stig_value_only_elevate_uiaccess_applications_var

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:3731
# User Account Control - Elevate UIAccess applications that are in secure locations.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# Verifies 'User Account Control: Only elevate UIAccess applications that are installed in secure locations' 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\Microsoft\Windows\CurrentVersion\Policies\System').GetValueKind('EnableSecureUIAPaths').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System' -Name 'EnableSecureUIAPaths' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'EnableSecureUIAPaths') -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 windows_7 target this check assesses.

# oval:mil.disa.fso.windows:def:3731
$compliant = Test-Path -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System" -and (Get-ItemProperty -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System" -Name EnableSecureUIAPaths -ErrorAction SilentlyContinue).EnableSecureUIAPaths -eq 1
if ($compliant) { Write-Output "PASS"; Exit 0 } else { Write-Output "FAIL"; Exit 1 }

Remediation

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “User Account Control: Only elevate UIAccess applications that are installed in secure locations” to “Enabled”.