CVE-2020-36632 – flat

Package

Manager: npm
Name: flat
Vulnerable Version: >=0 <5.0.1

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00422 pctl0.61246

Details

flat vulnerable to Prototype Pollution flat helps flatten/unflatten nested Javascript objects. A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 can address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.

Metadata

Created: 2022-12-25T21:30:22Z
Modified: 2023-01-06T03:16:40Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/12/GHSA-2j2x-2gpw-g8fm/GHSA-2j2x-2gpw-g8fm.json
CWE IDs: ["CWE-1321"]
Alternative ID: GHSA-2j2x-2gpw-g8fm
Finding: F390
Auto approve: 1