CVE-2025-23355
📋 TL;DR
This vulnerability in NVIDIA Nsight Graphics for Windows allows DLL hijacking attacks where an attacker could place a malicious DLL in a location that the application loads from. Successful exploitation could lead to code execution, privilege escalation, data tampering, or denial of service. Users of NVIDIA Nsight Graphics on Windows are affected.
💻 Affected Systems
- NVIDIA Nsight Graphics
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with administrative privileges, data theft/modification, and persistent backdoor installation.
Likely Case
Local privilege escalation leading to unauthorized system access and potential data exfiltration.
If Mitigated
Limited impact with proper file permissions and user account controls preventing DLL placement.
🎯 Exploit Status
DLL hijacking attacks are well-understood and relatively simple to execute with local access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024.4.1
Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5704
Restart Required: Yes
Instructions:
1. Download NVIDIA Nsight Graphics 2024.4.1 or later from NVIDIA's website. 2. Run the installer. 3. Follow installation prompts. 4. Restart the system if required.
🔧 Temporary Workarounds
Restrict DLL search paths
windowsUse application control policies to restrict where Nsight Graphics can load DLLs from
Use Windows AppLocker or similar to restrict DLL loading to trusted directories
Remove vulnerable versions
windowsUninstall vulnerable versions of Nsight Graphics until patched
Control Panel > Programs > Uninstall NVIDIA Nsight Graphics
🧯 If You Can't Patch
- Restrict user permissions to prevent DLL placement in vulnerable directories
- Monitor for suspicious DLL loading events using Windows Event Logs
🔍 How to Verify
Check if Vulnerable:
Check Nsight Graphics version in Help > About or via installed programs listCheck Version:
wmic product where name='NVIDIA Nsight Graphics' get versionVerify Fix Applied:
Verify version is 2024.4.1 or later in Help > About📡 Detection & Monitoring
Log Indicators:
- Windows Event Logs showing DLL loading from unusual locations
- Process Monitor logs showing Nsight Graphics loading unexpected DLLs
Network Indicators:
- No direct network indicators for this local attack
SIEM Query:
EventID=7 OR EventID=11 where Image contains 'nsight' AND TargetImage contains '.dll'