CVE-2020-0150
📋 TL;DR
This CVE describes an out-of-bounds write vulnerability in Android's NFC stack that could allow local privilege escalation without user interaction. Attackers could exploit this to gain elevated system privileges on affected Android devices. Only Android 10 devices are affected.
💻 Affected Systems
- Android
📦 What is this software?
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to execute arbitrary code with system privileges, install persistent malware, or access sensitive data.
Likely Case
Local privilege escalation allowing attackers to bypass application sandboxing and gain elevated permissions on the device.
If Mitigated
Minimal impact if patched; unpatched devices remain vulnerable to local attacks.
🎯 Exploit Status
Requires local access but no user interaction. Exploitation involves NFC stack manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android Security Patch Level 2020-06-01 or later
Vendor Advisory: https://source.android.com/security/bulletin/pixel/2020-06-01
Restart Required: Yes
Instructions:
1. Check for system updates in Settings > System > Advanced > System update. 2. Install Android Security Patch Level 2020-06-01 or later. 3. Reboot device after installation.
🔧 Temporary Workarounds
Disable NFC
androidTemporarily disable NFC functionality to prevent exploitation
Settings > Connected devices > Connection preferences > NFC > Toggle OFF
🧯 If You Can't Patch
- Disable NFC functionality completely
- Restrict physical access to devices and monitor for suspicious NFC activity
🔍 How to Verify
Check if Vulnerable:
Check Android version: Settings > About phone > Android version. If version is 10 and security patch level is before 2020-06-01, device is vulnerable.
Check Version:
adb shell getprop ro.build.version.release && adb shell getprop ro.build.version.security_patch
Verify Fix Applied:
Verify Android Security Patch Level is 2020-06-01 or later: Settings > About phone > Android security patch level.
📡 Detection & Monitoring
Log Indicators:
- Unusual NFC stack errors or crashes in system logs
- Suspicious privilege escalation attempts
Network Indicators:
- Unexpected NFC communication patterns
SIEM Query:
source="android_system" AND ("rw_t3t" OR "NFC" OR "privilege escalation")