CVE-2020-12980
📋 TL;DR
This vulnerability in AMD Graphics Driver for Windows 10 allows attackers to write and read data outside intended memory boundaries. Successful exploitation could lead to privilege escalation or denial of service. Affects Windows 10 systems with vulnerable AMD graphics drivers.
💻 Affected Systems
- AMD Graphics Driver
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with kernel-level privilege escalation, allowing complete control of the affected system.
Likely Case
Local privilege escalation allowing attackers to gain administrative privileges on compromised systems.
If Mitigated
Limited impact with proper patch management and least privilege principles in place.
🎯 Exploit Status
Requires local access and ability to execute code. Out-of-bounds write/read vulnerabilities often require specific conditions to exploit reliably.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check AMD driver updates for Windows 10
Vendor Advisory: https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1000
Restart Required: Yes
Instructions:
1. Visit AMD driver download page
2. Download latest graphics driver for your hardware
3. Run installer with administrative privileges
4. Restart system when prompted
🔧 Temporary Workarounds
Restrict local access
windowsLimit physical and remote access to vulnerable systems
Use standard user accounts
windowsOperate with least privilege to limit impact of privilege escalation
🧯 If You Can't Patch
- Isolate affected systems from critical network segments
- Implement application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check AMD driver version in Device Manager > Display adapters > AMD device > Driver tabCheck Version:
wmic path win32_pnpsigneddriver where "devicename like '%AMD%'" get devicename, driverversionVerify Fix Applied:
Verify driver version matches or exceeds patched version from AMD advisory📡 Detection & Monitoring
Log Indicators:
- Unexpected driver crashes
- Privilege escalation attempts in security logs
- Unusual process creation with elevated privileges
Network Indicators:
- Not applicable - local exploit only
SIEM Query:
EventID=4688 AND NewProcessName contains 'cmd.exe' OR 'powershell.exe' AND SubjectUserName != 'SYSTEM' AND TokenElevationType != '%%1936'