CVE-2020-0251
📋 TL;DR
CVE-2020-0251 is an out-of-bounds read vulnerability in Android System-on-Chip (SoC) components that could allow attackers to read sensitive memory data. This affects Android devices using vulnerable SoC implementations. Attackers could potentially access privileged information or cause system instability.
💻 Affected Systems
- Android devices with vulnerable SoC implementations
📦 What is this software?
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Information disclosure of sensitive kernel memory, potential privilege escalation, or denial of service through system crash.
Likely Case
Information disclosure of adjacent memory contents, potentially exposing sensitive data or causing application instability.
If Mitigated
Limited impact due to memory isolation protections, with potential for application crashes but no privilege escalation.
🎯 Exploit Status
Exploitation requires local access or malicious app installation. No public exploit code is known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: August 2020 Android Security Patch Level or later
Vendor Advisory: https://source.android.com/security/bulletin/2020-08-01
Restart Required: Yes
Instructions:
1. Check for Android system updates in Settings > System > Advanced > System update. 2. Apply the August 2020 or later security patch. 3. Restart the device after installation.
🔧 Temporary Workarounds
Disable unnecessary apps and permissions
androidReduce attack surface by limiting app installations and permissions
🧯 If You Can't Patch
- Isolate affected devices from sensitive networks and data
- Implement application allowlisting to prevent malicious app installation
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android security patch level. If before August 2020, device is vulnerable.Check Version:
Settings > About phone > Android security patch levelVerify Fix Applied:
Verify Android security patch level shows August 2020 or later date.📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Application crashes with memory access errors
- SELinux denials related to memory access
Network Indicators:
- No specific network indicators for this local vulnerability
SIEM Query:
No specific SIEM query as this is a local vulnerability requiring device-level monitoring