This affects the package nconf before 0.11.4. When using the memory engine, it is possible to store a nested JSON representation of the configuration. The .set() function, that is responsible for setting the configuration properties, is vulnerable to Prototype Pollution. By providing a crafted property, it is possible to modify the properties on the Object.prototype.
CVE-2022-21803 - High Severity Vulnerability
Vulnerable Library - nconf-0.6.9.tgz
Hierarchical node.js configuration with files, environment variables, command-line arguments, and atomic object merging.
Library home page: https://registry.npmjs.org/nconf/-/nconf-0.6.9.tgz
Path to dependency file: /tmp/ws-scm/JS-Demo/package.json
Path to vulnerable library: /tmp/ws-scm/JS-Demo/node_modules/nconf/package.json
Dependency Hierarchy: - forever-4.0.3.tgz (Root Library) - flatiron-0.4.3.tgz - broadway-0.3.6.tgz - :x: **nconf-0.6.9.tgz** (Vulnerable Library)
Found in HEAD commit: f7171220b9f2af587f8405c4a3b7a299d642fe1a
Found in base branches: release-1.0, main
Vulnerability Details
This affects the package nconf before 0.11.4. When using the memory engine, it is possible to store a nested JSON representation of the configuration. The .set() function, that is responsible for setting the configuration properties, is vulnerable to Prototype Pollution. By providing a crafted property, it is possible to modify the properties on the Object.prototype.
Publish Date: 2022-04-12
URL: CVE-2022-21803
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: High - Availability Impact: None
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21803
Release Date: 2022-04-12
Fix Resolution: nconf - 0.11.4