SV-40096r2: Media Player must be configured to prevent automatic checking for updates. | Windows Vista Security Technical Implementation Guide

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Assessment Title

Rule Text

Media Player must be configured to prevent automatic checking for updates.

Description

Discussion Text

Uncontrolled system updates can introduce issues to a system. The automatic check for updates performed by Windows Media Player must be disabled to ensure a constant platform and to prevent the introduction of unknown\untested software on the system.

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

IA Controls

NIST SP 800-53

Not mappedCCI-001812CCE-4898-3

Additional Details

Third-Party Tools

Responsibility

System Administrator

References

DPMS Target Windows Vista DISA DPMS Target Windows Vista 1029

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:479
# Media Player must be configured to prevent automatic checking for updates.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# registry_object (registry_test)
function test_1 {
  return ($null -ne (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsMediaPlayer' -Name 'DisableAutoupdate'))
}
# registry_object (registry_test)
function test_2 {
  return ((@{String='reg_sz';ExpandString='reg_expand_sz';Binary='reg_binary';DWord='reg_dword';MultiString='reg_multi_sz';QWord='reg_qword';None='reg_none'}[(Get-Item -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsMediaPlayer').GetValueKind('DisableAutoupdate').ToString()]) -eq 'reg_dword')
}
# registry_object (registry_test)
function test_3 {
  return (-not ($null -ne (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsMediaPlayer' -Name 'DisableAutoupdate')))
}
# registry_object (registry_test)
function test_4 {
  return (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsMediaPlayer' -Name 'DisableAutoupdate' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'DisableAutoupdate') -eq 1)
}
# registry_object (registry_test)
function test_5 {
  return (-not ($null -ne (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsMediaPlayer' -Name 'DisableAutoupdate')))
}

if ((test_1 -and (test_2 -or test_3) -and (test_4 -or test_5))) {
  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_vista target this check assesses.

# OVAL Definition: oval:mil.disa.fso.windows:def:479
if (!(Test-Path -Path "HKLM:\Software\Policies\Microsoft\WindowsMediaPlayer\DisableAutoupdate")) { $disableAutoupdate = $false } else { $disableAutoupdate = (Get-ItemProperty -Path "HKLM:\Software\Policies\Microsoft\WindowsMediaPlayer\DisableAutoupdate").DisableAutoupdate -eq 1 } if ($disableAutoupdate) { Write-Output "PASS"; Exit 0 } else { Write-Output "FAIL"; Exit 1 }

Remediation

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Media Player -> "Prevent Automatic Updates" to "Enabled".