CVE-2021-27292 (High) detected in ua-parser-js-0.7.17.tgz

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CVE-2021-27292 - High Severity Vulnerability

Vulnerable Library - ua-parser-js-0.7.17.tgz

Lightweight JavaScript-based user-agent string parser

Library home page: https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.17.tgz

Path to dependency file: /docs/package.json

Path to vulnerable library: /docs/node_modules/ua-parser-js/package.json

Dependency Hierarchy:

• browser-sync-2.26.3.tgz (Root Library)
  • ❌ ua-parser-js-0.7.17.tgz (Vulnerable Library)

Found in HEAD commit: 4d038f6521e1205e037211e7c3dcc92a82448d22

Found in base branch: master

Vulnerability Details

ua-parser-js >= 0.7.14, fixed in 0.7.24, uses a regular expression which is vulnerable to denial of service. If an attacker sends a malicious User-Agent header, ua-parser-js will get stuck processing it for an extended period of time.

Publish Date: 2021-03-17

URL: CVE-2021-27292

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://github.com/faisalman/ua-parser-js/releases/tag/0.7.24

Release Date: 2021-03-17

Fix Resolution (ua-parser-js): 0.7.24

Direct dependency fix Resolution (browser-sync): 2.26.9

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⛑️ Automatic Remediation is available for this issue