Description
The utilities function in all versions <= 0.5.0 of the deep-extend node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.
Remediation
References
https://hackerone.com/reports/311333
Related Vulnerabilities
CVE-2023-36479 Vulnerability in maven package org.eclipse.jetty.ee8:jetty-ee8-servlets
CVE-2022-39236 Vulnerability in npm package matrix-js-sdk
CVE-2021-39176 Vulnerability in npm package detect-character-encoding
CVE-2022-1471 Vulnerability in maven package org.yaml:snakeyaml
CVE-2022-24823 Vulnerability in maven package io.netty:netty-common