Prototype pollution in Node.js - CVE-2022-21824

 

Prototype pollution in Node.js - CVE-2022-21824

Published: January 12, 2022 / Updated: October 10, 2022


Vulnerability identifier: #VU59551
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-21824
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Node.js Foundation
Affected software:
Node.js

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to the formatting logic of the console.table() function. A remote attacker can send a specially crafted request and assign an empty string to numerical keys of the object prototype.



How to mitigate CVE-2022-21824

Install updates from vendor's website.

Sources