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GHSA-6xwr-q98w-rvg7

Prototype Pollution in nconf

Source: GitHub Advisory Database (reviewed) High CVE-2022-21803

Packages

EcosystemPackageAffectedFixed in
npm nconf < 0.11.4 0.11.4

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.