CVE-2024-55408
📋 TL;DR
An improper access control vulnerability in the AsusSAIO.sys driver allows attackers to send crafted IOCTL requests to misuse driver functionality. This affects systems running Asus software that uses this vulnerable driver. Attackers could potentially escalate privileges or bypass security controls.
💻 Affected Systems
- Asus software using AsusSAIO.sys driver
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Privilege escalation to SYSTEM level, allowing full system compromise and persistence.
Likely Case
Local privilege escalation enabling attackers to bypass security controls and install malware.
If Mitigated
Limited impact if proper driver signing enforcement and least privilege principles are implemented.
🎯 Exploit Status
Exploitation requires local access and knowledge of IOCTL codes. Public proof-of-concept code is available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Asus support for latest driver updates
Vendor Advisory: https://www.asus.com/tw/support/myasus-deeplink/
Restart Required: Yes
Instructions:
1. Visit Asus support website. 2. Download latest driver updates. 3. Install updates. 4. Restart system.
🔧 Temporary Workarounds
Disable or remove vulnerable driver
windowsRemove or disable the AsusSAIO.sys driver to prevent exploitation
sc stop AsusSAIO
sc delete AsusSAIO
del C:\Windows\System32\drivers\AsusSAIO.sys
Restrict driver access
windowsSet restrictive permissions on the driver file
icacls C:\Windows\System32\drivers\AsusSAIO.sys /deny *S-1-1-0:(RX)
🧯 If You Can't Patch
- Implement application whitelisting to block execution of unauthorized programs
- Enforce least privilege principles and restrict local administrator access
🔍 How to Verify
Check if Vulnerable:
Check if AsusSAIO.sys driver exists: dir C:\Windows\System32\drivers\AsusSAIO.sysCheck Version:
driverquery | findstr AsusSAIOVerify Fix Applied:
Verify driver version is updated or driver is removed📡 Detection & Monitoring
Log Indicators:
- Event ID 7045: Service installation for AsusSAIO
- Driver load events for AsusSAIO.sys
Network Indicators:
- No network indicators - local driver vulnerability
SIEM Query:
EventID=7045 AND ServiceName="AsusSAIO" OR FileName="AsusSAIO.sys"