CVE-2020-25282
📋 TL;DR
This vulnerability allows attackers to bypass access restrictions on property values in LG's Universal Integrated Circuit Card (lguicc) software on Android 10 devices. Attackers could potentially modify sensitive device properties without proper authorization. This affects LG mobile devices running Android 10.
💻 Affected Systems
- LG mobile devices
📦 What is this software?
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing unauthorized access to SIM card functions, potential data theft, and privilege escalation to system-level access.
Likely Case
Unauthorized modification of device properties, potential SIM card manipulation, and access to restricted telephony functions.
If Mitigated
Limited impact if device is patched and proper application sandboxing is enforced.
🎯 Exploit Status
Requires local access or malicious app installation. No public exploit code available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android security patch September 2020 or later
Vendor Advisory: https://lgsecurity.lge.com/
Restart Required: Yes
Instructions:
1. Check for system updates in device settings. 2. Install September 2020 or later Android security patch. 3. Restart device after update.
🔧 Temporary Workarounds
Disable unnecessary apps
androidRemove or disable apps that request unnecessary permissions, especially those accessing telephony functions.
Restrict app installations
androidOnly install apps from trusted sources like Google Play Store.
🧯 If You Can't Patch
- Replace affected devices with updated models
- Implement strict mobile device management policies to control app installations
🔍 How to Verify
Check if Vulnerable:
Check Android version in Settings > About phone > Software information. If running Android 10 and LG device, check security patch level.Check Version:
Not applicable - check through device settings UIVerify Fix Applied:
Verify security patch level is September 2020 or later in Settings > About phone > Software information.📡 Detection & Monitoring
Log Indicators:
- Unusual lguicc process activity
- Unauthorized property modification attempts in system logs
Network Indicators:
- Not network exploitable - local vulnerability only
SIEM Query:
Not applicable for typical mobile device management