CVE-2020-12903
📋 TL;DR
This vulnerability in AMD Graphics Driver for Windows 10 allows attackers to write or read outside intended memory boundaries through Escape 0x6002d03. Successful exploitation could lead to privilege escalation or denial of service. Affected users are those running vulnerable AMD graphics drivers on Windows 10 systems.
💻 Affected Systems
- AMD Graphics Driver
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with administrative privileges, allowing complete control over the affected system.
Likely Case
Local privilege escalation enabling attackers to gain higher privileges than their current user account.
If Mitigated
Limited impact with proper security controls like application whitelisting and least privilege principles.
🎯 Exploit Status
Exploitation requires local access and knowledge of the specific escape code. No public exploit code was mentioned in the provided references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check AMD driver updates for specific fixed version
Vendor Advisory: https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1000
Restart Required: Yes
Instructions:
1. Visit AMD's driver download page. 2. Download latest graphics driver for your hardware. 3. Run installer and follow prompts. 4. Restart system when prompted.
🔧 Temporary Workarounds
Restrict local access
allLimit physical and remote access to affected systems to reduce attack surface
Implement least privilege
windowsEnsure users operate with minimal necessary privileges to limit impact of privilege escalation
🧯 If You Can't Patch
- Isolate affected systems from critical network segments
- Implement strict access controls and monitor for suspicious privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check AMD driver version in Device Manager > Display adapters > Properties > Driver tabCheck Version:
wmic path win32_pnpsigneddriver where "DeviceID like '%VEN_1002%'" get DriverVersionVerify Fix Applied:
Verify driver version matches or exceeds the patched version specified in AMD advisory📡 Detection & Monitoring
Log Indicators:
- Unusual driver access attempts
- Privilege escalation events in Windows Security logs
- AMD driver crash events
Network Indicators:
- Not applicable - local exploitation only
SIEM Query:
EventID=4688 AND ProcessName LIKE '%amd%' AND NewProcessName LIKE '%cmd%' OR EventID=4672