CVE-2021-23364 (Medium) detected in browserslist-4.16.0.tgz, browserslist-4.7.0.tgz

[mend-for-github-com]

CVE-2021-23364 - Medium Severity Vulnerability

Vulnerable Libraries - browserslist-4.16.0.tgz, browserslist-4.7.0.tgz

browserslist-4.16.0.tgz

Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset

Library home page: https://registry.npmjs.org/browserslist/-/browserslist-4.16.0.tgz

Path to dependency file: molecule-quickstart-app/package.json

Path to vulnerable library: molecule-quickstart-app/node_modules/browserslist/package.json

Dependency Hierarchy:

• react-scripts-3.0.1.tgz (Root Library)
  • postcss-normalize-7.0.1.tgz
    • ❌ browserslist-4.16.0.tgz (Vulnerable Library)

browserslist-4.7.0.tgz

Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset

Library home page: https://registry.npmjs.org/browserslist/-/browserslist-4.7.0.tgz

Path to dependency file: molecule-quickstart-app/package.json

Path to vulnerable library: molecule-quickstart-app/node_modules/react-dev-utils/node_modules/browserslist/package.json

Dependency Hierarchy:

• react-scripts-3.0.1.tgz (Root Library)
  • react-dev-utils-9.1.0.tgz
    • ❌ browserslist-4.7.0.tgz (Vulnerable Library)

Found in base branch: master

Vulnerability Details

The package browserslist from 4.0.0 and before 4.16.5 are vulnerable to Regular Expression Denial of Service (ReDoS) during parsing of queries.

Publish Date: 2021-04-28

URL: CVE-2021-23364

CVSS 3 Score Details (5.3)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23364

Release Date: 2021-04-28

Fix Resolution: browserslist - 4.16.5