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
Hierarchical node.js configuration with files, environment variables, command-line arguments, and atomic object merging.
Library home page: https://registry.npmjs.org/nconf/-/nconf-0.10.0.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/nconf/package.json
Dependency Hierarchy: - snyk-1.362.1.tgz (Root Library) - snyk-config-3.1.0.tgz - :x: **nconf-0.10.0.tgz** (Vulnerable Library)
Found in base branch: master
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
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.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
Direct dependency fix Resolution (snyk): 1.425.4
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