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: /package.json

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

Dependency Hierarchy:

• browser-sync-2.26.13.tgz (Root Library)
  • localtunnel-2.0.0.tgz
    • yargs-13.3.0.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: /package.json

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

Dependency Hierarchy:

• gulp-sass-4.0.2.tgz (Root Library)
  • node-sass-4.14.1.tgz
    • 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: /package.json

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

Dependency Hierarchy:

• browser-sync-2.26.13.tgz (Root Library)
  • yargs-15.4.1.tgz
    • cliui-6.0.0.tgz
      • strip-ansi-6.0.0.tgz
        • ❌ ansi-regex-5.0.0.tgz (Vulnerable Library)

Found in HEAD commit: ceb09bc21ac87ae97ed5d9a32ca3fcd45f276327

Found in base branch: master

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): 4.1.1

Direct dependency fix Resolution (browser-sync): 2.26.14-y.1

Fix Resolution (ansi-regex): 4.1.1

Direct dependency fix Resolution (gulp-sass): 4.1.0

Fix Resolution (ansi-regex): 4.1.1

Direct dependency fix Resolution (browser-sync): 2.26.14-y.1

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