CVE-2024-40650
📋 TL;DR
This vulnerability allows local attackers to bypass Factory Reset Protection (FRP) on Android devices without user interaction. It enables local privilege escalation by exploiting a missing FRP state check in the WiFi settings interface. Only Android devices with the vulnerable Settings app are affected.
💻 Affected Systems
- Android Settings app
📦 What is this software?
Android by Google
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing unauthorized access to all user data, bypassing device security protections, and potentially installing persistent malware.
Likely Case
Unauthorized access to device settings and user data, bypassing FRP to gain control of a locked or stolen device.
If Mitigated
Limited impact if device is already secured with additional authentication layers and regular security updates.
🎯 Exploit Status
Exploitation requires local access but no user interaction. The vulnerability is in the Settings app's WiFi configuration interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: September 2024 Android security patch or later
Vendor Advisory: https://source.android.com/security/bulletin/2024-09-01
Restart Required: Yes
Instructions:
1. Check for Android system updates in Settings > System > System update. 2. Install September 2024 security patch or later. 3. Restart device after update completes.
🔧 Temporary Workarounds
Disable WiFi settings access
androidRestrict access to WiFi settings through device management policies
🧯 If You Can't Patch
- Enable full device encryption and strong authentication methods
- Implement mobile device management (MDM) with strict access controls
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android version > Security patch level. If before September 2024, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify security patch level shows September 2024 or later. Test FRP bypass attempts should fail.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access to Settings app, FRP bypass attempts in system logs
SIEM Query:
Search for Settings app process anomalies or FRP-related security events in Android device logs