CVE-2024-55407
📋 TL;DR
This vulnerability in ITE Tech. Inc ITE IO Access v1.0.0.0 allows attackers to perform arbitrary port read and write operations through crafted IOCTL requests. This affects systems running the vulnerable driver, potentially enabling privilege escalation and system compromise.
💻 Affected Systems
- ITE Tech. Inc ITE IO Access
⚠️ 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
Full system compromise through privilege escalation leading to complete control of the affected system, data theft, or ransomware deployment.
Likely Case
Local privilege escalation allowing attackers to gain elevated privileges and perform unauthorized operations on the system.
If Mitigated
Limited impact with proper access controls, but still presents a security risk that should be addressed.
🎯 Exploit Status
Exploitation requires local access and knowledge of driver interaction. The GitHub reference suggests research exists but no public exploit code is confirmed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor for updated version
Vendor Advisory: http://ite.com
Restart Required: No
Instructions:
1. Visit ITE Tech. Inc website for security updates. 2. Download and install the latest version of ITE IO Access. 3. Verify the vulnerable driver is replaced with patched version.
🔧 Temporary Workarounds
Driver Removal
WindowsRemove or disable the vulnerable Winio64.sys driver if not required for system functionality.
sc stop ITEIOAccess
sc delete ITEIOAccess
del C:\Windows\System32\drivers\Winio64.sys
Access Restriction
WindowsRestrict access to the driver using Windows security policies to prevent unauthorized users from interacting with it.
icacls C:\Windows\System32\drivers\Winio64.sys /deny Users:(R,W,X)
🧯 If You Can't Patch
- Implement strict least privilege access controls to limit who can execute code on affected systems.
- Monitor for suspicious driver interactions and IOCTL requests in system logs.
🔍 How to Verify
Check if Vulnerable:
Check if Winio64.sys version 1.0.0.0 exists in C:\Windows\System32\drivers\ and verify the driver is loaded via 'sc query ITEIOAccess'.Check Version:
powershell Get-Item C:\Windows\System32\drivers\Winio64.sys | Select-Object VersionInfoVerify Fix Applied:
Verify the driver version has been updated or removed, and confirm the service is no longer running vulnerable code.📡 Detection & Monitoring
Log Indicators:
- Unusual IOCTL requests to ITEIOAccess driver
- Failed attempts to access restricted ports
- Driver loading events for Winio64.sys
Network Indicators:
- Local port scanning activity from affected systems
- Unusual outbound connections following local exploitation
SIEM Query:
EventID=7045 AND ServiceName="ITEIOAccess" OR FilePath="*Winio64.sys*"