Prototype Pollution Affecting madlib-object-utils package, versions <0.1.7


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
1.22% (86th percentile)

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  • Snyk IDSNYK-JS-MADLIBOBJECTUTILS-598676
  • published14 Aug 2020
  • disclosed14 Aug 2020
  • creditBeomjin Lee

Introduced: 14 Aug 2020

CVE-2020-7701  (opens in a new tab)
CWE-1321  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade madlib-object-utils to version 0.1.7 or higher.

Overview

madlib-object-utils is an A small set of utility functions for working with objects

Affected versions of this package are vulnerable to Prototype Pollution via setValue.

POC:

const objectUtils = require("madlib-object-utils");
objectUtils.setValue('__proto__.polluted', {}, true);
console.log(polluted);

CVSS Scores

version 3.1