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eslint-plugin-security's Introduction

eslint-plugin-security

NPM version

ESLint rules for Node Security

This project will help identify potential security hotspots, but finds a lot of false positives which need triage by a human.

Installation

npm install --save-dev eslint-plugin-security

or

yarn add --dev eslint-plugin-security

Usage

Flat config (requires eslint >= v8.23.0)

Add the following to your eslint.config.js file:

const pluginSecurity = require('eslint-plugin-security');

module.exports = [pluginSecurity.configs.recommended];

eslintrc config (deprecated)

Add the following to your .eslintrc file:

module.exports = {
  extends: ['plugin:security/recommended-legacy'],
};

Developer guide

  • Use GitHub pull requests.
  • Conventions:
  • We use our custom ESLint setup.
  • Please implement a test for each new rule and use this command to be sure the new code respects the style guide and the tests keep passing:
npm run-script cont-int

Tests

npm test

Rules

⚠️ Configurations set to warn in.
✅ Set in the recommended configuration.

Name                                  Description ⚠️
detect-bidi-characters Detects trojan source attacks that employ unicode bidi attacks to inject malicious code.
detect-buffer-noassert Detects calls to "buffer" with "noAssert" flag set.
detect-child-process Detects instances of "child_process" & non-literal "exec()" calls.
detect-disable-mustache-escape Detects "object.escapeMarkup = false", which can be used with some template engines to disable escaping of HTML entities.
detect-eval-with-expression Detects "eval(variable)" which can allow an attacker to run arbitrary code inside your process.
detect-new-buffer Detects instances of new Buffer(argument) where argument is any non-literal value. (new Buffer(number) is unsafe)
detect-no-csrf-before-method-override Detects Express "csrf" middleware setup before "method-override" middleware.
detect-non-literal-fs-filename Detects variable in filename argument of "fs" calls, which might allow an attacker to access anything on your system.
detect-non-literal-regexp Detects "RegExp(variable)", which might allow an attacker to DOS your server with a long-running regular expression.
detect-non-literal-require Detects "require(variable)", which might allow an attacker to load and run arbitrary code, or access arbitrary files on disk.
detect-object-injection Detects "variable[key]" as a left- or right-hand assignment operand.
detect-possible-timing-attacks Detects insecure comparisons (==, !=, !== and ===), which check input sequentially.
detect-pseudoRandomBytes Detects if "pseudoRandomBytes()" is in use, which might not give you the randomness you need and expect.
detect-unsafe-regex Detects potentially unsafe regular expressions, which may take a very long time to run, blocking the event loop.

eslint-plugin-security's People

Contributors

nzakas avatar jesusprubio avatar ota-meshi avatar evilpacket avatar github-actions[bot] avatar pdehaan avatar aladdin-add avatar bmish avatar fdawgs avatar hamletdrc avatar jlamendo avatar markkragerup avatar scottnonnenberg avatar 0xflotus avatar anjannair avatar buzz-t avatar brettz9 avatar myersg86 avatar hashen110 avatar davisjam avatar lingo avatar mathieumg avatar travi avatar michaeldeboey avatar nicolapalavecino avatar paulannekov avatar simone-sanfratello avatar stephenmathieson avatar tupaschoal avatar continentaldivide avatar

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