CVE-2019-5183
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code on affected systems through a type confusion flaw in AMD's ATIDXX64.DLL driver. By providing a specially crafted pixel shader file, an attacker can exploit this vulnerability to potentially gain control of the system. The vulnerability affects VMware environments where the guest VM can compromise the host.
💻 Affected Systems
- AMD ATIDXX64.DLL driver
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with kernel-level code execution, allowing attackers to install persistent malware, steal sensitive data, or pivot to other systems.
Likely Case
Local privilege escalation leading to system control, particularly in virtualized environments where guest-to-host escape is possible.
If Mitigated
Limited impact with proper isolation and monitoring, potentially only affecting the vulnerable driver process.
🎯 Exploit Status
Exploitation requires local access or ability to deliver malicious shader files. VMware guest-to-host escape scenario documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 26.20.13031.18002
Vendor Advisory: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1000.html
Restart Required: Yes
Instructions:
1. Download latest AMD graphics driver from official website. 2. Uninstall current driver. 3. Install updated driver. 4. Restart system.
🔧 Temporary Workarounds
Disable vulnerable driver
windowsTemporarily disable or remove the ATIDXX64.DLL driver if AMD graphics are not essential
sc stop amdkmdag
sc config amdkmdag start= disabled
VMware isolation controls
allImplement strict isolation between VMware guests and hosts
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized users from loading shader files
- Monitor for suspicious driver activity and shader file execution
🔍 How to Verify
Check if Vulnerable:
Check driver version in Device Manager > Display adapters > Properties > Driver tabCheck Version:
wmic path win32_pnpsigneddriver where "DeviceName like '%AMD%'" get DeviceName, DriverVersionVerify Fix Applied:
Verify driver version is newer than 26.20.13031.18002📡 Detection & Monitoring
Log Indicators:
- Unusual shader file loading
- ATIDXX64.DLL crash events
- Suspicious driver activity
Network Indicators:
- Unusual outbound connections from driver processes
SIEM Query:
EventID=1000 OR EventID=1001 Source=ATIDXX64.DLL