CVE-2025-32319

// CVE-2025-32319 PoC - Android RemotePrintService Permission Bypass // This PoC demonstrates the permission bypass in ensureBound method package com.vulnerability.poc; import android.app.Service; import android.content.Intent; import android.os.IBinder; import android.os.RemoteException; public class RemotePrintServiceExploit extends Service { private static final String TAG = "CVE-2025-32319"; private boolean isForeground = false; @Override public IBinder onBind(Intent intent) { // Vulnerability: ensureBound method allows background apps to retain foreground permissions // Attack vector: Exploit the permission check bypass in RemotePrintService return null; } @Override public int onStartCommand(Intent intent, int flags, int startId) { try { // Step 1: Trigger the vulnerable ensureBound method triggerEnsureBoundBypass(); // Step 2: Bypass foreground permission check bypassForegroundPermissionCheck(); // Step 3: Maintain elevated privileges in background maintainForegroundState(); // Step 4: Execute privileged operations executePrivilegedOperations(); } catch (Exception e) { e.printStackTrace(); } return START_STICKY; } private void triggerEnsureBoundBypass() throws RemoteException { // The ensureBound method fails to properly check app state // allowing permission escalation } private void bypassForegroundPermissionCheck() { // Exploit the permission bypass to retain foreground status } private void maintainForegroundState() { // Maintain elevated permissions after app goes to background } private void executePrivilegedOperations() { // Execute operations with elevated (foreground) permissions } }

{"cve": {"id": "CVE-2025-32319", "sourceIdentifier": "[email protected]", "published": "2025-12-08T17:16:13.923", "lastModified": "2025-12-09T21:54:42.043", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In ensureBound of RemotePrintService.java, there is a possible way for a background app to keep foreground permissions due to a permissions bypass. This could lead to local escalation of privilege with user execution privileges needed. User interaction is not needed for exploitation."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 6.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "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://android.googlesource.com/platform/frameworks/base/+/70ab82c4546aa893682a4507664dc2c471d6cd95", "source": "[email protected]", "tags": ["Product", "Patch"]}, {"url": "https://source.android.com/security/bulletin/2025-12-01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}