CVE-2020-7774 (Critical) detected in y18n-4.0.0.tgz

[mend-bolt-for-github[bot]]

CVE-2020-7774 - Critical Severity Vulnerability

Vulnerable Library - y18n-4.0.0.tgz

the bare-bones internationalization library used by yargs

Library home page: https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/y18n/package.json

Dependency Hierarchy: - react-scripts-3.4.1.tgz (Root Library) - webpack-dev-server-3.10.3.tgz - yargs-12.0.5.tgz - :x: **y18n-4.0.0.tgz** (Vulnerable Library)

Found in HEAD commit: c469005aedc9c71027ee6afd6331ec8fb21cfd65

Found in base branch: master

Vulnerability Details

The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.

Publish Date: 2020-11-17

URL: CVE-2020-7774

CVSS 3 Score Details (9.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.npmjs.com/advisories/1654

Release Date: 2020-11-17

Fix Resolution (y18n): 4.0.1

Direct dependency fix Resolution (react-scripts): 3.4.2

---

Step up your Open Source Security Game with Mend here