## CVE-2021-27292 - High Severity Vulnerability

Vulnerable Library - ua-parser-js-0.7.19.tgz

Lightweight JavaScript-based user-agent string parser

Library home page: https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.19.tgz

Path to dependency file: /package.json

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

Dependency Hierarchy: - platform-utils-1.2.0.tgz (Root Library) - :x: **ua-parser-js-0.7.19.tgz** (Vulnerable Library)

Found in base branch: main

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

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CVE-2021-27292 (High) detected in ua-parser-js-0.7.19.tgz - autoclosed #213

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