CVE-2025-48597

7.8 HIGH

📋 TL;DR

This CVE describes a tapjacking/overlay vulnerability in Android that allows attackers to trick users into granting permissions without their knowledge. The vulnerability enables local privilege escalation without requiring additional execution privileges or user interaction. This affects Android devices running vulnerable versions.

💻 Affected Systems

Products:
  • Android
Versions: Specific versions not specified in provided references, but based on the bulletin date likely affects Android versions prior to December 2025 security updates
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in multiple locations within the Android framework and requires the device to be running a vulnerable version of Android.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker gains full system-level privileges on the device, potentially accessing sensitive data, installing malware, or taking complete control of the device.

🟠

Likely Case

Attackers gain elevated permissions to access sensitive user data, install unwanted applications, or perform unauthorized actions within the device's security context.

🟢

If Mitigated

With proper security controls and user awareness, the risk is reduced to minimal privilege escalation attempts that are detected and blocked.

🌐 Internet-Facing: LOW with brief explanation
🏢 Internal Only: HIGH with brief explanation

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires the attacker to have local access to the device and the ability to deploy a malicious application. The vulnerability leverages overlay attacks to bypass permission prompts.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Android security updates from December 2025 onward

Vendor Advisory: https://source.android.com/security/bulletin/2025-12-01

Restart Required: Yes

Instructions:

1. Check for Android system updates in Settings > System > System update. 2. Install the latest security update. 3. Restart the device after installation completes.

🔧 Temporary Workarounds

Disable overlay permissions for untrusted apps

android

Prevent applications from drawing over other apps, which mitigates the tapjacking attack vector

Navigate to Settings > Apps > [App Name] > Advanced > Draw over other apps > Disable

Install apps only from trusted sources

android

Reduce risk by limiting installation to Google Play Store and avoiding sideloaded applications

Navigate to Settings > Security > Install unknown apps > Disable for all apps

🧯 If You Can't Patch

  • Implement application allowlisting to restrict which apps can run on the device
  • Use mobile device management (MDM) solutions to enforce security policies and monitor for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check Android version and security patch level in Settings > About phone > Android version

Check Version:

adb shell getprop ro.build.version.security_patch

Verify Fix Applied:

Verify the security patch level is December 2025 or later in Settings > About phone > Android security update

📡 Detection & Monitoring

Log Indicators:

  • Unusual permission grants, overlay permission abuse logs, suspicious app installation events

Network Indicators:

  • Not applicable as this is a local privilege escalation vulnerability

SIEM Query:

source="android_logs" AND (event="PERMISSION_GRANT" OR event="OVERLAY_ATTACK")

🔗 References

📤 Share & Export