indexzero/nconf

indexzero/nconf

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Hierarchical node.js configuration with files, environment variables, command-line arguments, and atomic object merging.
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CVE History

CVEPublishedCVSS v3CVSS v2
CVE-2022-21803↗
7.3 HIGH5 MEDIUM

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.