Description

This affects the package json8 before 1.0.3. The function adds in the target object the property specified in the path, however it does not properly check the key being set, leading to a prototype pollution.

Remediation

References

https://github.com/sonnyp/JSON8/commit/2e890261b66cbc54ae01d0c79c71b0fd18379e7e

https://snyk.io/vuln/SNYK-JS-JSON8-1017116

Related Vulnerabilities

CVE-2020-1938 Vulnerability in maven package org.apache.tomcat:tomcat-coyote

CVE-2023-26115 Vulnerability in npm package word-wrap

CVE-2022-2596 Vulnerability in npm package node-fetch

CVE-2021-32660 Vulnerability in npm package techdocs-common

CVE-2022-21164 Vulnerability in npm package node-lmdb

Severity

Critical

Classification

CWE-1321 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Patch Third Party Advisory Exploit