CVE-2022-31106 Explained : Impact and Mitigation

Underscore.deep is a collection of Underscore mixins that operate on nested objects. An attacker can craft a malicious payload to exploit the vulnerability in versions prior to 0.5.3.

Understanding CVE-2022-31106

This CVE identifies a prototype pollution vulnerability in the underscore.deep library.

What is CVE-2022-31106?

The vulnerability in underscore.deep versions prior to 0.5.3 allows an attacker to manipulate object properties through crafted payloads, potentially leading to code execution or data manipulation.

The Impact of CVE-2022-31106

The impact of this vulnerability is rated as HIGH severity with a CVSS base score of 8.3. It could lead to unauthorized data modification, integrity and confidentiality breaches.

Technical Details of CVE-2022-31106

The technical details of this CVE include:

Vulnerability Description

The vulnerability arises due to improper handling of object attributes, enabling attackers to pollute the prototype of the affected objects.

Affected Systems and Versions

underscore.deep versions prior to 0.5.3 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting payloads and passing them to certain functions, resulting in prototype pollution.

Mitigation and Prevention

To address CVE-2022-31106, consider the following:

Immediate Steps to Take

Upgrade to version 0.5.3 of underscore.deep to mitigate the vulnerability. If upgrading is not possible, modify the affected functions to prevent exploitation.

Long-Term Security Practices

Practice secure coding to prevent similar vulnerabilities in the future. Regularly update dependencies to patch known security issues.

Patching and Updates

Stay informed about security advisories and update dependencies promptly to incorporate the latest security patches.