Visio: Block Visio 2003-2010 Binary Documents

πŸ’Ό Management Samenvatting

Block Visio 2003-2010 binary documents - legacy format (10-20 years old) met limited patching (transition to modern .vsdx).

Aanbeveling
CONDITIONAL (after migration)
Risico zonder
Medium
Risk Score
4/10
Implementatie
15u (tech: 5u)
Van toepassing op:
βœ“ Microsoft Visio

Visio 2003-2010 = legacy: Format timeline: Visio 2003 (.vsd), Visio 2007 (.vsd), Visio 2010 (.vsd) - 10-20 years old, Binary format: Complex parser = vulnerability surface, Mainstream support: ENDED (Microsoft stopped mainstream support years ago), Modern format: .vsdx (Visio 2013+ - XML-based, safer). Business context: Some organizations still use .vsd (10-15 year old diagrams), Migration: Convert to .vsdx (modern format). Blocking: CONDITIONAL (if organization fully migrated to Visio 2013+).

PowerShell Modules Vereist
Primary API: Intune / GPO
Connection: Registry-based
Required Modules:

Implementatie

Block Visio 2003-2010: File types: .vsd (Visio 2003-2010 binary), Action: Block open + save (if migrated), User message: 'File format blocked - use .vsdx', Migration: Required (convert legacy .vsd β†’ .vsdx before blocking).

Vereisten

  1. Visio 2016+
  2. Migration: ALL legacy .vsd converted to .vsdx
  3. User communication: .vsdx only
  4. Intune of GPO

Implementatie

PHASE 1: Migrate legacy .vsd β†’ .vsdx (bulk conversion - PowerShell). PHASE 2: Intune Settings Catalog: Visio\Security\Trust Center\File Block Settings β†’ Visio 2003-2010 Binary Documents: Block (Open + Save).

Compliance

BIO 12.02 (Modern formats), ISO 27001 A.12.2.1.

Monitoring

Gebruik PowerShell-script visio2003-2010-blocked.ps1 (functie Invoke-Monitoring) – Controleren.

Remediatie

Gebruik PowerShell-script visio2003-2010-blocked.ps1 (functie Invoke-Remediation) – Herstellen.

Compliance & Frameworks

Automation

Gebruik het onderstaande PowerShell script om deze security control te monitoren en te implementeren. Het script bevat functies voor zowel monitoring (-Monitoring) als remediation (-Remediation).

PowerShell
<# .SYNOPSIS Blokkeert Visio 2003-2010 bestanden in Visio .DESCRIPTION Dit script implementeert CIS control O365-VI-000005 voor het blokkeren van Visio 2003-2010 bestanden in Microsoft Visio. Deze legacy bestandsformaten kunnen beveiligingsrisico's vormen en moeten worden geblokkeerd. .REQUIREMENTS - PowerShell 5.1 of hoger - Lokale administrator rechten voor registry wijzigingen - Microsoft Visio geΓ―nstalleerd .PARAMETER Monitoring Controleert de huidige compliance status .PARAMETER Remediation Past de aanbevolen configuratie toe .PARAMETER Revert Herstelt de originele configuratie .PARAMETER WhatIf Toont wat er zou gebeuren zonder wijzigingen door te voeren .EXAMPLE .\visio2003-2010-blocked.ps1 -Monitoring Controleert of Visio 2003-2010 bestanden zijn geblokkeerd .EXAMPLE .\visio2003-2010-blocked.ps1 -Remediation Blokkeert Visio 2003-2010 bestanden .NOTES Registry pad: HKCU:\Software\Policies\Microsoft\Office\16.0\VISIO\Security Waarde: visio20032010blocked = 1 CIS Control: O365-VI-000005 DISA STIG: Microsoft Office 365 ProPlus v3r3 #> #Requires -Version 5.1 param( [switch]$Monitoring, [switch]$Remediation, [switch]$Revert, [switch]$WhatIf ) # Globale variabelen $RegistryPath = "HKCU:\Software\Policies\Microsoft\Office\16.0\VISIO\Security" $ValueName = "visio20032010blocked" $ExpectedValue = 1 $ControlID = "O365-VI-000005" function Test-Compliance { try { if (-not (Test-Path $RegistryPath)) { return $false } $currentValue = Get-ItemProperty -Path $RegistryPath -Name $ValueName -ErrorAction SilentlyContinue return ($currentValue -and $currentValue.$ValueName -eq $ExpectedValue) } catch { return $false } } function Invoke-Monitoring { Write-Host "Monitoring ${ControlID}: Visio 2003-2010 bestanden blokkeren" -ForegroundColor Green try { if (-not (Test-Path $RegistryPath)) { Write-Host "βœ— Registry pad bestaat niet: $RegistryPath" -ForegroundColor Red return $false } $currentValue = Get-ItemProperty -Path $RegistryPath -Name $ValueName -ErrorAction SilentlyContinue if ($currentValue -and $currentValue.$ValueName -eq $ExpectedValue) { Write-Host "βœ“ Control compliant: ${ValueName} = $ExpectedValue" -ForegroundColor Green return $true } else { $actualValue = if ($currentValue) { $currentValue.$ValueName } else { "Not Set" } Write-Host "βœ— Control non-compliant: ${ValueName} = $actualValue (Expected: $ExpectedValue)" -ForegroundColor Red return $false } } catch { Write-Host "βœ— Fout bij controleren registry instelling: $($_.Exception.Message)" -ForegroundColor Red return $false } } function Invoke-Remediation { Write-Host "Remediating ${ControlID}: Visio 2003-2010 bestanden blokkeren" -ForegroundColor Yellow try { if ($WhatIf) { Write-Host "WhatIf: Zou registry waarde instellen: ${ValueName} = $ExpectedValue" -ForegroundColor Cyan return $true } if (-not (Test-Path $RegistryPath)) { Write-Host "Registry pad aanmaken: $RegistryPath" -ForegroundColor Yellow New-Item -Path $RegistryPath -Force | Out-Null } Set-ItemProperty -Path $RegistryPath -Name $ValueName -Value $ExpectedValue -Type DWord -Force Write-Host "βœ“ Registry waarde succesvol ingesteld: ${ValueName} = $ExpectedValue" -ForegroundColor Green Start-Sleep -Seconds 1 return Invoke-Monitoring } catch { Write-Host "βœ— Fout bij configureren registry instelling: $($_.Exception.Message)" -ForegroundColor Red return $false } } function Invoke-Revert { Write-Host "Reverting ${ControlID}: Visio 2003-2010 blokkering herstellen" -ForegroundColor Yellow try { if ($WhatIf) { Write-Host "WhatIf: Zou registry waarde verwijderen: ${ValueName}" -ForegroundColor Cyan return $true } if (Test-Path $RegistryPath) { Remove-ItemProperty -Path $RegistryPath -Name $ValueName -ErrorAction SilentlyContinue Write-Host "βœ“ Registry waarde verwijderd: ${ValueName}" -ForegroundColor Green } return $true } catch { Write-Host "βœ— Fout bij herstellen registry instelling: $($_.Exception.Message)" -ForegroundColor Red return $false } } # Hoofd uitvoering try { if ($Monitoring) { $result = Invoke-Monitoring exit $(if ($result) { 0 } else { 1 }) } elseif ($Remediation) { $result = Invoke-Remediation exit $(if ($result) { 0 } else { 1 }) } elseif ($Revert) { $result = Invoke-Revert exit $(if ($result) { 0 } else { 1 }) } else { Write-Host "Gebruik: .\visio2003-2010-blocked.ps1 [-Monitoring] [-Remediation] [-Revert] [-WhatIf]" -ForegroundColor Yellow Write-Host " -Monitoring: Controleer huidige compliance status" -ForegroundColor White Write-Host " -Remediation: Pas aanbevolen configuratie toe" -ForegroundColor White Write-Host " -Revert: Herstel originele configuratie" -ForegroundColor White Write-Host " -WhatIf: Toon wat er zou gebeuren" -ForegroundColor White } } catch { Write-Host "βœ— Onverwachte fout: $($_.Exception.Message)" -ForegroundColor Red exit 1 }

Risico zonder implementatie

Risico zonder implementatie
Medium: Medium: Visio 2003-2010 = legacy vulnerabilities.

Management Samenvatting

Block Visio 2003-2010 binary (AFTER migration to .vsdx). Legacy format (10-20 years). HIGH business impact (requires migration). Implementatie: 5-15 uur.