mcp-use安全漏洞扫描工具:定期检查实践

mcp-use安全漏洞扫描工具:定期检查实践

【免费下载链接】mcp-use 【免费下载链接】mcp-use 项目地址: https://gitcode.com/gh_mirrors/mc/mcp-use

MCP服务器具备文件系统访问、网络请求和代码执行等强大功能,这使得安全防护成为使用过程中的关键环节。本文将详细介绍如何利用mcp-use的安全功能进行定期漏洞扫描,通过配置强化、工具限制、日志审计等手段,构建完整的安全防护体系。

安全配置基础

mcp-use的安全防护始于正确的配置管理。API密钥作为系统的重要凭证,绝不能硬编码在源代码中,应始终使用环境变量或专业的密钥管理服务。

API密钥安全管理

创建.env文件存储密钥信息是基础且有效的做法:

# LLM Provider Keys
OPENAI_API_KEY=sk-...
ANTHROPIC_API_KEY=sk-ant-...
GROQ_API_KEY=gsk_...

# MCP Server Configuration
FILESYSTEM_ROOT=/safe/workspace
DATABASE_URL=postgresql://user:pass@localhost/db

# Optional: Security settings
MCP_TIMEOUT=30
MAX_TOOL_CALLS=10
ALLOWED_DOMAINS=example.com,api.service.com

务必将.env文件添加到.gitignore中,防止密钥泄露。对于生产环境,应使用AWS Secrets Manager、Azure Key Vault或HashiCorp Vault等专业服务。以AWS Secrets Manager为例:

import boto3
from botocore.exceptions import ClientError

def get_secret(secret_name, region_name="us-east-1"):
    session = boto3.session.Session()
    client = session.client('secretsmanager', region_name=region_name)

    try:
        response = client.get_secret_value(SecretId=secret_name)
        return response['SecretString']
    except ClientError as e:
        raise e

# Usage
openai_key = get_secret("prod/mcp-use/openai-key")

文件系统服务器安全配置

文件系统访问是MCP服务器的高风险功能之一,必须严格限制访问范围。通过配置文件设置安全目录、只读权限和文件大小限制:

{
  "mcpServers": {
    "filesystem": {
      "command": "mcp-server-filesystem",
      "args": [
        "/workspace/safe-directory",
        "--readonly",
        "--max-file-size", "10MB",
        "--allowed-extensions", ".txt,.md,.json,.py"
      ],
      "env": {
        "FILESYSTEM_READONLY": "true",
        "MAX_FILE_SIZE": "10485760"
      }
    }
  }
}

安全配置示例

漏洞扫描实践

定期安全审计

建立定期安全审计机制是发现潜在漏洞的有效方法。通过以下Python脚本实现自动化安全日志分析:

import logging
import json
from datetime import datetime
from typing import Any, Dict

class SecurityLogger:
    def __init__(self, log_file: str = "security.log"):
        self.logger = logging.getLogger("mcp_security")
        handler = logging.FileHandler(log_file)
        formatter = logging.Formatter(
            '%(asctime)s - %(levelname)s - %(message)s'
        )
        handler.setFormatter(formatter)
        self.logger.addHandler(handler)
        self.logger.setLevel(logging.INFO)

    def log_security_violation(self, user_id: str, violation_type: str, details: str):
        """Log security violations"""
        self.logger.warning(f"SECURITY VIOLATION - User: {user_id}, Type: {violation_type}, Details: {details}")

security_logger = SecurityLogger()

输入验证与漏洞检测

实现全面的输入验证,防止恶意请求利用系统漏洞:

import re
from typing import List, Optional

class InputValidator:
    def __init__(self):
        self.max_length = 1000
        self.blocked_patterns = [
            r'rm\s+-rf',          # Dangerous commands
            r'sudo',              # Privilege escalation
            r'chmod\s+777',       # Permission changes
            r'\.\./',             # Path traversal
            r'<script',           # XSS attempts
            r'DROP\s+TABLE',      # SQL injection
        ]

    def validate_query(self, query: str) -> tuple[bool, Optional[str]]:
        """Validate user query for security issues"""
        # Check length
        if len(query) > self.max_length:
            return False, f"Query too long (max {self.max_length} characters)"

        # Check for blocked patterns
        for pattern in self.blocked_patterns:
            if re.search(pattern, query, re.IGNORECASE):
                return False, f"Query contains blocked pattern: {pattern}"

        return True, None

安全漏洞扫描流程

工具访问控制

限制工具使用权限

通过配置限制Agent可使用的工具,遵循最小权限原则:

from mcp_use import MCPAgent, MCPClient
from langchain_openai import ChatOpenAI

# Define allowed and disallowed tools
ALLOWED_TOOLS = [
    "file_read",
    "file_write",
    "web_search",
    "web_scrape"
]

DISALLOWED_TOOLS = [
    "system_execute",
    "network_request",
    "database_write",
    "file_delete"
]

async def create_secure_agent():
    client = MCPClient.from_config_file("secure_config.json")
    llm = ChatOpenAI(model="gpt-4")

    agent = MCPAgent(
        llm=llm,
        client=client,
        allowed_tools=ALLOWED_TOOLS,
        disallowed_tools=DISALLOWED_TOOLS,
        max_steps=20,  # Limit execution steps
        timeout=300,   # 5-minute timeout
        use_server_manager=True
    )

    return agent

实施速率限制

防止恶意用户通过大量请求攻击系统:

import time
from collections import defaultdict
from typing import Dict, Tuple

class RateLimiter:
    def __init__(self, max_requests: int = 10, window_seconds: int = 60):
        self.max_requests = max_requests
        self.window_seconds = window_seconds
        self.requests: Dict[str, List[float]] = defaultdict(list)

    def is_allowed(self, user_id: str) -> Tuple[bool, str]:
        """Check if user is within rate limits"""
        now = time.time()
        window_start = now - self.window_seconds

        # Clean old requests
        self.requests[user_id] = [
            req_time for req_time in self.requests[user_id]
            if req_time > window_start
        ]

        # Check if under limit
        if len(self.requests[user_id]) >= self.max_requests:
            return False, f"Rate limit exceeded: {self.max_requests} requests per {self.window_seconds} seconds"

        # Record this request
        self.requests[user_id].append(now)
        return True, ""

安全检查清单

定期安全自查项目

- [ ] API keys stored in environment variables or secrets manager - [ ] No hardcoded credentials in source code - [ ] .env files added to .gitignore - [ ] Regular API key rotation implemented - [ ] Filesystem access restricted to safe directories - [ ] Network access limited to necessary domains - [ ] Database connections use read-only accounts where possible - [ ] Input validation on all server parameters

安全更新与维护

保持系统和依赖库的最新安全补丁:

# 安装安全更新
pip install --upgrade pip
pip audit  # 检查依赖漏洞
pip-review --auto  # 自动更新安全补丁

生产环境安全部署

容器安全配置

使用Docker部署时,遵循容器安全最佳实践:

FROM python:3.9-slim

# Create non-root user
RUN groupadd -r mcpuser && useradd -r -g mcpuser mcpuser

# Install security updates
RUN apt-get update && apt-get upgrade -y && \
    apt-get install -y --no-install-recommends \
    ca-certificates && \
    rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Set ownership and permissions
RUN chown -R mcpuser:mcpuser /app
USER mcpuser

# Run application
CMD ["python", "main.py"]

Kubernetes网络策略

在Kubernetes环境中配置网络策略限制Pod通信:

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: mcp-use-policy
spec:
  podSelector:
    matchLabels:
      app: mcp-use
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - podSelector:
        matchLabels:
          app: frontend
    ports:
    - protocol: TCP
      port: 8000
  egress:
  - to: []
    ports:
    - protocol: TCP
      port: 443  # HTTPS only

生产环境安全架构

总结与后续步骤

定期安全漏洞扫描是保障mcp-use系统安全的关键实践。通过本文介绍的配置强化、工具访问控制、日志审计和定期检查等措施,可以有效降低安全风险。

官方安全文档:Security Best Practices

安全漏洞报告:请通过CONTRIBUTING.md中提供的渠道提交安全问题。

建议定期执行安全自查,并关注项目的安全更新公告,保持系统处于最佳安全状态。

【免费下载链接】mcp-use 【免费下载链接】mcp-use 项目地址: https://gitcode.com/gh_mirrors/mc/mcp-use

创作声明:本文部分内容由AI辅助生成(AIGC),仅供参考

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