CVE-2021-23574 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-23574, a vulnerability related to Prototype Pollution in the js-data package.

Understanding CVE-2021-23574

A vulnerability in the js-data package allows for Prototype Pollution via specific functions, impacting all versions of the software.

What is CVE-2021-23574?

CVE-2021-23574 relates to an incomplete fix in the js-data package that leaves it exposed to Prototype Pollution through deepFillIn and set functions.

The Impact of CVE-2021-23574

The vulnerability poses a high availability impact with a CVSS base score of 7.5 and requires no privileges for exploitation, making it a severe threat.

Technical Details of CVE-2021-23574

An insight into the technical aspects of CVE-2021-23574.

Vulnerability Description

The vulnerability allows attackers to conduct Prototype Pollution attacks via the deepFillIn and set functions in the js-data package.

Affected Systems and Versions

All versions of the js-data package are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely with a proof of concept, without requiring any user interaction.

Mitigation and Prevention

Best practices to mitigate and prevent the impact of CVE-2021-23574.

Immediate Steps to Take

Users are advised to update the js-data package to the latest version and apply official fixes promptly.

Long-Term Security Practices

Regularly monitor for security updates and follow secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Stay informed about patches released by the vendor and promptly apply them to secure systems.