CVE-2024-10093
📋 TL;DR
This vulnerability allows local attackers to execute arbitrary code through DLL hijacking in VSO ConvertXtoDvd. Attackers can place a malicious avcodec.dll in a location that the application searches before the legitimate library, leading to code execution. Only users of VSO ConvertXtoDvd 7.0.0.83 on Windows systems are affected.
💻 Affected Systems
- VSO ConvertXtoDvd
📦 What is this software?
Convertxtodvd by Vso Software
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining the same privileges as the user running ConvertXtoDvd, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation where an attacker with initial access can execute arbitrary code with the victim's user privileges, enabling lateral movement or credential harvesting.
If Mitigated
Limited impact if application runs with minimal privileges and proper application whitelisting is enforced, restricting the attacker's capabilities.
🎯 Exploit Status
Exploit requires local access and ability to place DLL in search path. The vulnerability is publicly disclosed with technical details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or discontinue use of the software.
🔧 Temporary Workarounds
Restrict DLL Search Path
windowsUse Windows policies or application controls to restrict where ConvertXtoDvd can load DLLs from, preventing loading from untrusted locations.
Set-ProcessMitigation -Name ConvertXtoDvd.exe -Enable ForceRelocateImages
Remove Vulnerable Version
windowsUninstall VSO ConvertXtoDvd 7.0.0.83 and replace with alternative software if possible.
Control Panel > Programs > Uninstall a program > Select VSO ConvertXtoDvd > Uninstall
🧯 If You Can't Patch
- Run ConvertXtoDvd with minimal user privileges (not as administrator) to limit potential damage from exploitation.
- Implement application whitelisting to prevent execution of unauthorized DLLs and monitor for suspicious DLL loading behavior.
🔍 How to Verify
Check if Vulnerable:
Check the version of ConvertXtoDvd.exe: Right-click the executable > Properties > Details tab, verify version is 7.0.0.83.Check Version:
wmic datafile where name="C:\\Program Files\\VSO\\ConvertXtoDvd\\ConvertXtoDvd.exe" get versionVerify Fix Applied:
Verify the application is no longer version 7.0.0.83 or that DLL search path restrictions are properly applied.📡 Detection & Monitoring
Log Indicators:
- Windows Event Logs showing ConvertXtoDvd.exe loading DLLs from unusual paths
- Security logs indicating DLL hijacking attempts
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
EventID=4688 AND ProcessName="ConvertXtoDvd.exe" AND CommandLine CONTAINS "dll" OR EventID=7 (Sysmon) ImageLoaded contains "avcodec.dll" from non-standard path