CVE-2021-3807 (High) detected in multiple libraries

[mend-bolt-for-github]

CVE-2021-3807 - High Severity Vulnerability

Vulnerable Libraries - ansi-regex-4.1.0.tgz, ansi-regex-3.0.0.tgz, ansi-regex-5.0.0.tgz

ansi-regex-4.1.0.tgz

Regular expression for matching ANSI escape codes

Library home page: https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz

Path to dependency file: itscss/package.json

Path to vulnerable library: itscss/node_modules/ansi-regex/package.json

Dependency Hierarchy:

• node-sass-6.0.1.tgz (Root Library)
  • sass-graph-2.2.5.tgz
    • yargs-13.3.2.tgz
      • cliui-5.0.0.tgz
        • strip-ansi-5.2.0.tgz
          • ❌ ansi-regex-4.1.0.tgz (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

Path to dependency file: itscss/package.json

Path to vulnerable library: itscss/node_modules/ansi-regex/package.json

Dependency Hierarchy:

• node-sass-6.0.1.tgz (Root Library)
  • npmlog-4.1.2.tgz
    • gauge-2.7.4.tgz
      • wide-align-1.1.3.tgz
        • string-width-2.1.1.tgz
          • strip-ansi-4.0.0.tgz
            • ❌ ansi-regex-3.0.0.tgz (Vulnerable Library)

ansi-regex-5.0.0.tgz

Regular expression for matching ANSI escape codes

Library home page: https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz

Path to dependency file: itscss/package.json

Path to vulnerable library: itscss/node_modules/ansi-regex/package.json

Dependency Hierarchy:

• postcss-cli-8.3.1.tgz (Root Library)
  • yargs-16.2.0.tgz
    • cliui-7.0.4.tgz
      • strip-ansi-6.0.0.tgz
        • ❌ ansi-regex-5.0.0.tgz (Vulnerable Library)

Found in HEAD commit: adeb39cb58d4f4b3e4214c789af70ff001d41657

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

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