CVE-2020-36632 (High) detected in flat-4.1.0.tgz

[mend-bolt-for-github[bot]]

CVE-2020-36632 - High Severity Vulnerability

Vulnerable Library - flat-4.1.0.tgz

Take a nested Javascript object and flatten it, or unflatten an object with delimited keys

Library home page: https://registry.npmjs.org/flat/-/flat-4.1.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/flat/package.json

Dependency Hierarchy:

• mocha-6.1.4.tgz (Root Library)
  • yargs-unparser-1.5.0.tgz
    • :x: flat-4.1.0.tgz (Vulnerable Library)

Vulnerability Details

A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 is able to address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.

Publish Date: 2022-12-25

URL: CVE-2020-36632

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://github.com/advisories/GHSA-2j2x-2gpw-g8fm

Release Date: 2022-12-25

Fix Resolution (flat): 4.1.1

Direct dependency fix Resolution (mocha): 6.2.0

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