CVE-2022-21803

high

Description

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.

References

https://github.com/indexzero/nconf/pull/397

https://github.com/indexzero/nconf/releases/tag/v0.11.4

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2632450

https://snyk.io/vuln/SNYK-JS-NCONF-2395478

Details

Source: Mitre, NVD

Published: 2022-04-12

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High