CVE-2024-33582
📋 TL;DR
A DLL hijack vulnerability in Lenovo Service Framework allows local attackers to execute arbitrary code with elevated privileges by placing a malicious DLL in a location where the application searches for it. This affects systems running vulnerable versions of Lenovo Service Framework. Attackers need local access to exploit this vulnerability.
💻 Affected Systems
- Lenovo Service Framework
⚠️ 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
Complete system compromise with administrative privileges, allowing installation of persistent malware, data theft, and lateral movement within the network.
Likely Case
Local privilege escalation leading to unauthorized administrative access, potentially enabling further attacks on the compromised system.
If Mitigated
Limited impact with proper access controls and monitoring, though the vulnerability still presents a security risk.
🎯 Exploit Status
DLL hijacking vulnerabilities are typically straightforward to exploit once the vulnerable DLL search path is identified. Requires local access to place malicious DLL.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in reference, but Lenovo has released updates
Vendor Advisory: https://iknow.lenovo.com.cn/detail/423563
Restart Required: Yes
Instructions:
1. Visit the Lenovo advisory page. 2. Download and install the latest Lenovo Service Framework update. 3. Restart the system to complete the installation.
🔧 Temporary Workarounds
Restrict DLL search paths
windowsConfigure system to restrict DLL search paths and prevent loading from untrusted directories
Use Group Policy to configure DLL search order restrictions
Set SafeDllSearchMode registry key to 1
Remove vulnerable software
windowsUninstall Lenovo Service Framework if not required for system functionality
Control Panel > Programs > Uninstall Lenovo Service Framework
🧯 If You Can't Patch
- Implement strict access controls to limit local user privileges
- Monitor for suspicious DLL loading events and file creation in system directories
🔍 How to Verify
Check if Vulnerable:
Check Lenovo Service Framework version against patched versions in advisory. Look for DLL loading from insecure locations.
Check Version:
Check Programs and Features in Control Panel for Lenovo Service Framework version
Verify Fix Applied:
Verify Lenovo Service Framework has been updated to patched version and test DLL hijacking attempts fail.
📡 Detection & Monitoring
Log Indicators:
- DLL loading from unusual locations
- Process creation with unexpected parent processes
- File creation in system directories by non-admin users
Network Indicators:
- Unusual outbound connections from Lenovo Service Framework process
SIEM Query:
Process creation where parent process is LenovoServiceFramework.exe AND command line contains suspicious DLL paths