Ensure Media Sharing Is Disabled

低レベル 2自動macos

説明

Starting with macOS 10.15, Apple has provided a control which permits a user to share Apple-downloaded content on all Apple devices that are signed in with the same Apple ID. This allows users to share downloaded movies, music, or TV shows with other controlled macOS, iOS, and iPadOS devices, as well as photos with Apple TVs. With this capability, guest users can also use media downloaded on the computer. The recommended best practice is not to use the computer as a server, but to utilize Apple's cloud storage in order to download and use content stored there if content stored with Apple is used on multiple devices. https://support.apple.com/guide/mac-help/set-up-media-sharing-on-mac- mchlp13371337/mac Disabling Media Sharing reduces the remote attack surface of the system.

チェック方法

監査方法: シェルコマンド

shell

/usr/bin/osascript -l JavaScript <<'EOS'
function run() {
  let pref1 = ObjC.unwrap($.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess').objectForKey('allowMediaSharing'))
  let pref2 = ObjC.unwrap($.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess').objectForKey('allowMediaSharingModification'))
  if ( pref1 == 0 && pref2 == 0 ) {
    return("true")
  } else {
    return("false")
  }
}
EOS

期待される出力: true

修正方法

修正方法: ガイダンスまたは IaC パッチ

Profile Method: Create or edit a configuration profile with the following information: 1. The PayloadType string is com.apple.preferences.sharing.SharingPrefsExtension 2. The key to include is homeSharingUIStatus 3. The key must be set to <integer>0</integer> 4. The key to also include is legacySharingUIStatus 5. The key must be set to <integer>0</integer> 6. The key to also include is mediaSharingUIStatus 7. The key must be set to <integer>0</integer>

プロパティ

オペレーティングシステム: macos-14
タグ: macossonoma
参照: CIS Apple macOS 14.0 Sonoma Benchmark v3.1.0 - 2.3.3.9 Ensure Media Sharing Is Disabled

このホストをチェック

監査が許可されているマシンで実行してください。スキャンは読み取り専用です。

shell

tmaegis scan --target macos --level 2