CVE-2024-21957
📋 TL;DR
This vulnerability allows local attackers to escalate privileges by exploiting incorrect default permissions in the AMD Management Console installation directory. Attackers could modify files in the directory to execute arbitrary code with elevated privileges. This affects systems with AMD Management Console installed.
💻 Affected Systems
- AMD Management Console
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with administrative privileges, allowing attackers to install malware, steal credentials, or pivot to other systems.
Likely Case
Local privilege escalation leading to persistence mechanisms, credential harvesting, or lateral movement within the network.
If Mitigated
Limited impact with proper access controls and monitoring, potentially detected before full exploitation.
🎯 Exploit Status
Exploitation requires local access to the system. The vulnerability is in file permissions, making exploitation straightforward for attackers with user-level access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check AMD advisory for specific patched versions
Vendor Advisory: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-9003.html
Restart Required: Yes
Instructions:
1. Visit the AMD security advisory page
2. Download the latest version of AMD Management Console
3. Install the update following AMD's instructions
4. Restart the system as required
🔧 Temporary Workarounds
Restrict directory permissions
windowsManually adjust permissions on the AMD Management Console installation directory to restrict write access to authorized users only.
icacls "C:\Program Files\AMD\Management Console" /inheritance:r /grant:r "Administrators:(OI)(CI)F" /grant:r "SYSTEM:(OI)(CI)F" /grant:r "Users:(OI)(CI)RX"
🧯 If You Can't Patch
- Remove AMD Management Console if not required
- Implement strict access controls and monitoring on the installation directory
🔍 How to Verify
Check if Vulnerable:
Check if AMD Management Console is installed and review directory permissions for excessive write access.Check Version:
Check AMD Management Console 'About' section or review installed programs in Control PanelVerify Fix Applied:
Verify the AMD Management Console version is updated and directory permissions are properly restricted.📡 Detection & Monitoring
Log Indicators:
- Unexpected file modifications in AMD Management Console directory
- Process execution from unusual locations
- Privilege escalation attempts
Network Indicators:
- None - this is a local privilege escalation vulnerability
SIEM Query:
EventID=4688 AND (ProcessName contains 'amd' OR CommandLine contains 'amd') AND NewProcessName contains 'cmd.exe' OR 'powershell.exe'