CVE-2021-3918 (High) detected in json-schema-0.2.3.tgz

[mend-bolt-for-github]

CVE-2021-3918 - High Severity Vulnerability

Vulnerable Library - json-schema-0.2.3.tgz

JSON Schema validation and specifications

Library home page: https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz

Dependency Hierarchy:

• node-sass-chokidar-1.3.4.tgz (Root Library)
  • node-sass-4.9.3.tgz
    • request-2.87.0.tgz
      • http-signature-1.2.0.tgz
        • jsprim-1.4.1.tgz
          • ❌ json-schema-0.2.3.tgz (Vulnerable Library)

Found in HEAD commit: 2a075b2841fc2373e24ed2ea65ffde43a262c54c

Vulnerability Details

json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Publish Date: 2021-11-13

URL: CVE-2021-3918

CVSS 3 Score Details (9.8)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://nvd.nist.gov/vuln/detail/CVE-2021-3918

Release Date: 2021-11-13

Fix Resolution: json-schema - 0.4.0

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