CVE-2025-0084
📋 TL;DR
This CVE describes a use-after-free vulnerability in Android's Bluetooth HFP (Hands-Free Profile) implementation that allows remote code execution without user interaction. Attackers can exploit this over Bluetooth to execute arbitrary code on vulnerable devices. All Android devices with Bluetooth HFP enabled are potentially affected.
💻 Affected Systems
- Android devices with Bluetooth support
📦 What is this software?
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Full device compromise with attacker gaining complete control over the device, accessing sensitive data, installing malware, and using the device as a pivot point for further attacks.
Likely Case
Remote code execution leading to data theft, surveillance capabilities, or device enrollment in botnets.
If Mitigated
Limited impact with proper network segmentation, Bluetooth restrictions, and security monitoring in place.
🎯 Exploit Status
Exploitation requires Bluetooth proximity but no authentication or user interaction. Technical details are available in the source code references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: March 2025 Android Security Patch or later
Vendor Advisory: https://source.android.com/security/bulletin/2025-03-01
Restart Required: Yes
Instructions:
1. Check for system updates in Settings > System > System update. 2. Install the March 2025 security patch or later. 3. Reboot the device after installation.
🔧 Temporary Workarounds
Disable Bluetooth HFP
androidDisable Hands-Free Profile functionality in Bluetooth settings
Disable Bluetooth
androidTurn off Bluetooth completely when not in use
🧯 If You Can't Patch
- Disable Bluetooth completely or restrict to trusted devices only
- Implement network segmentation to isolate vulnerable devices from critical systems
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android version. If patch level is earlier than March 2025, device is vulnerable.
Check Version:
Settings > About phone > Android version
Verify Fix Applied:
Verify security patch level shows March 2025 or later in Settings > About phone > Android version.
📡 Detection & Monitoring
Log Indicators:
- Unusual Bluetooth connection attempts
- Crash logs from Bluetooth service
- Suspicious process creation following Bluetooth activity
Network Indicators:
- Anomalous Bluetooth traffic patterns
- Unexpected Bluetooth pairing attempts from unknown devices
SIEM Query:
source="android_logs" AND (process="bluetooth" OR service="bluetooth") AND (event="crash" OR event="error")