node/test/es-module/test-cjs-prototype-pollution.js
Antoine du Hamel 2e2dc99115
esm: protect ESM loader from prototype pollution
In a previous commit, the loader implementation was modified to be
protected against most prototype pollution, but was kept vulnerable to
`Array.prototype` pollution. This commit fixes that, the tradeoff is
that it modifies the `ESMLoader.prototype.import` return type from an
`Array` to an array-like object.

Refs: https://github.com/nodejs/node/pull/45044
PR-URL: https://github.com/nodejs/node/pull/45175
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
2022-10-27 20:09:07 +00:00

13 lines
292 B
JavaScript

'use strict';
const { mustNotCall, mustCall } = require('../common');
Object.defineProperties(Object.prototype, {
then: {
set: mustNotCall('set %Object.prototype%.then'),
get: mustNotCall('get %Object.prototype%.then'),
},
});
import('data:text/javascript,').then(mustCall());