CVE-2021-3918 (Critical) detected in json-schema-0.2.5.tgz, json-schema-0.2.3.tgz

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CVE-2021-3918 - Critical Severity Vulnerability

Vulnerable Libraries - json-schema-0.2.5.tgz, json-schema-0.2.3.tgz

json-schema-0.2.5.tgz

JSON Schema validation and specifications

Library home page: https://registry.npmjs.org/json-schema/-/json-schema-0.2.5.tgz

Path to dependency file: /packages/optimizely-sdk/package.json

Path to vulnerable library: /packages/optimizely-sdk/node_modules/json-schema/package.json

Dependency Hierarchy:

• ❌ json-schema-0.2.5.tgz (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

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/json-schema/package.json

Dependency Hierarchy:

• lerna-3.2.1.tgz (Root Library)
  • bootstrap-3.2.0.tgz
    • run-lifecycle-3.2.0.tgz
      • npm-lifecycle-2.1.0.tgz
        • node-gyp-3.8.0.tgz
          • request-2.88.0.tgz
            • http-signature-1.2.0.tgz
              • jsprim-1.4.1.tgz
                • ❌ json-schema-0.2.3.tgz (Vulnerable Library)

Found in base branch: master

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

Direct dependency fix Resolution (lerna): 3.3.0

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