CVE-2026-6265 Cerberus FTP Server权限提升漏洞

# Proof of Concept (POC) for CVE-2026-6265 # This script checks if the current user has write access to the Cerberus FTP Server installation directory. # If write access is granted due to insecure inherited permissions, privilege escalation is possible. import os import sys def check_vulnerability(): # Common installation path for Cerberus FTP Server target_path = r"C:\Program Files\Cerberus LLC\Cerberus FTP Server" print(f"[*] Checking permissions on: {target_path}") if not os.path.exists(target_path): print("[-] Target directory not found. Cerberus FTP Server might not be installed or path is different.") return test_file = os.path.join(target_path, "poc_test_file.txt") try: # Attempt to create a file in the protected directory with open(test_file, 'w') as f: f.write("Vulnerability Confirmed: Write access allowed.") print(f"[+] SUCCESS: Write access confirmed at {target_path}") print("[!] This indicates a potential Privilege Escalation vulnerability (CVE-2026-6265).") # Cleanup os.remove(test_file) print("[*] Cleanup successful.") except PermissionError: print("[-] FAILED: Permission denied. The directory appears to be secure.") except Exception as e: print(f"[-] ERROR: An unexpected error occurred: {e}") if __name__ == "__main__": check_vulnerability()