CVE-2020-7774 (Critical) detected in y18n-3.2.1.tgz, y18n-4.0.0.tgz

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

CVE-2020-7774 - Critical Severity Vulnerability

Vulnerable Libraries - y18n-3.2.1.tgz, y18n-4.0.0.tgz

y18n-3.2.1.tgz

the bare-bones internationalization library used by yargs

Library home page: https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/sass-graph/node_modules/y18n/package.json

Dependency Hierarchy: - favicons-webpack-plugin-0.0.9.tgz (Root Library) - favicons-4.8.6.tgz - svg2png-3.0.1.tgz - yargs-3.32.0.tgz - :x: **y18n-3.2.1.tgz** (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: - copy-webpack-plugin-4.5.1.tgz (Root Library) - cacache-10.0.4.tgz - :x: **y18n-4.0.0.tgz** (Vulnerable Library)

Found in HEAD commit: 909e310c24ae375520922bdeea058a7226661f77

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): 3.2.2

Direct dependency fix Resolution (favicons-webpack-plugin): 1.0.0

Fix Resolution (y18n): 3.2.2

Direct dependency fix Resolution (copy-webpack-plugin): 4.5.2

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