indexzero/nconf · Security
Prototype Pollution in nconf
- GHSA ID
- GHSA-6xwr-q98w-rvg7
- CVE ID
- CVE-2022-21803
- Severity
- high
- Published
- Updated
- CVSS
- 7.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS v3
- 7.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Description
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.
CWEs
- CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')