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.
SeverityHigh
CVSS7.3
Exploit probability—
ProductNconf
PublishedApr 12, 2022
First seenApr 12, 2022
How to fix
Update
- nconf_project nconf0.11.4 or later
- nconf0.11.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nconf_project nconf | v < 0.11.4 | 0.11.4 |
| nconfnpm | v < 0.11.4 | 0.11.4 |
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