Limit exposure to sensitive directories and files

Docs > Datadog Security > Code Security > Static Code Analysis (SAST) > SAST ルール > Limit exposure to sensitive directories and files

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Metadata

ID: typescript-express/access-restriction

Language: TypeScript

Severity: Warning

Category: Security

CWE: 548

Description

Exposing a directory listing could present an attacker an opportunity to access source code or other sensitive data through a file structure exploit. Restricting access to non-sensitive directories and files is strongly suggested.

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Express Serve index middleware

Non-Compliant Code Examples

import express, { Express } from 'express';
import serveIndex from "serve-index";

const app: Express = express();

app.use(serveIndex())

Compliant Code Examples

import express, { Express } from 'express';
import serveIndex from "serve-index";

const app: Express = express();

app.use(serveIndex("/public"))