CVE-2021-3807 (High) detected in ansi-regex-3.0.0.tgz

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CVE-2021-3807 - High Severity Vulnerability

Vulnerable Library - ansi-regex-3.0.0.tgz

Regular expression for matching ANSI escape codes

Library home page: https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz

Dependency Hierarchy:

• @wordpress/blocks-file:packages/blocks.tgz (Root Library)
  • showdown-1.8.6.tgz
    • yargs-10.1.2.tgz
      • cliui-4.1.0.tgz
        • strip-ansi-4.0.0.tgz
          • ❌ ansi-regex-3.0.0.tgz (Vulnerable Library)

Vulnerability Details

ansi-regex is vulnerable to Inefficient Regular Expression Complexity

Publish Date: 2021-09-17

URL: CVE-2021-3807

CVSS 3 Score Details (7.5)

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: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://huntr.dev/bounties/5b3cf33b-ede0-4398-9974-800876dfd994/

Release Date: 2021-09-17

Fix Resolution: ansi-regex - 5.0.1,6.0.1