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Malicious npm Packages Inject SSH Backdoors via Typosquatted Libraries
Socket’s threat research team has detected six malicious npm packages typosquatting popular libraries to insert SSH backdoors.
memfs-browser
Advanced tools
memfs
UMD and ESM bundle for browser.
The code shipped in this package is not transpiled by babel.
Version explanation
memfs: major.minor.patch --> memfs-browser: major.minor.1{patch:2}{build:2}
example:
3.5.3 --> 3.5.103xx
4.6.0 --> 4.6.100xx
npm install memfs-browser
HTML <script>
<script src="your-buffer-polyfill-that-set-globalThis-Buffer"></script>
<script src="./node_modules/memfs-browser/dist/memfs.min.js"></script>
<script src="./index.js"></script>
// index.js
/// <reference path="./node_modules/memfs-browser/index.d.ts" />
console.log(memfs.versions.memfs) // original memfs version
console.log(memfs.versions.build) // version of current build
console.log(memfs.path) // path-browserify
HTML <script type="module">
<script type="importmap">
{
"imports": {
"memfs-browser": "./node_modules/memfs-browser/dist/memfs.esm.min.js"
}
}
</script>
<script src="your-buffer-polyfill-that-set-globalThis-Buffer"></script>
<script type="module" src="./index.js"></script>
import * as memfs from 'memfs-browser'
console.log(memfs.versions.memfs) // original memfs version
console.log(memfs.versions.build) // version of current build
console.log(memfs.path) // path-browserify
Webpack
npm install buffer
module.exports = {
resolve: {
alias: {
buffer: require.resolve('buffer/')
}
}
}
import * as memfs from 'memfs-browser'
// const memfs = require('memfs-browser')
console.log(memfs.versions.memfs) // original memfs version
console.log(memfs.versions.build) // version of current build
console.log(memfs.path) // path-browserify
FAQs
In-memory file-system with Node's fs API.
The npm package memfs-browser receives a total of 29,327 weekly downloads. As such, memfs-browser popularity was classified as popular.
We found that memfs-browser demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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