Description
This affects the package @firebase/util before 0.3.4. This vulnerability relates to the deepExtend function within the DeepCopy.ts file. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
Remediation
References
https://github.com/firebase/firebase-js-sdk/commit/9cf727fcc3d049551b16ae0698ac33dc2fe45ada
https://github.com/firebase/firebase-js-sdk/pull/4001
https://snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324
Related Vulnerabilities
CVE-2020-7633 Vulnerability in npm package apiconnect-cli-plugins
CVE-2020-5206 Vulnerability in maven package org.opencastproject:opencast-kernel
CVE-2021-21368 Vulnerability in npm package msgpack5
CVE-2020-7600 Vulnerability in npm package querymen
CVE-2022-25167 Vulnerability in maven package org.apache.flume:flume-parent