CVE-2021-20088 : Security Advisory and Response

This article provides detailed information about CVE-2021-20088, focusing on the vulnerability found in mootools-more 1.6.0 related to Prototype Pollution.

Understanding CVE-2021-20088

CVE-2021-20088 is a vulnerability in mootools-more 1.6.0 that allows a malicious user to inject properties into Object.prototype through improperly controlled modification of object prototype attributes.

What is CVE-2021-20088?

The CVE-2021-20088 vulnerability involves 'Prototype Pollution' in mootools-more 1.6.0, enabling a malicious actor to manipulate object prototype attributes to inject properties.

The Impact of CVE-2021-20088

This vulnerability can be exploited by attackers to introduce properties into Object.prototype, potentially leading to security risks and unauthorized actions within the affected systems.

Technical Details of CVE-2021-20088

This section delves into the specifics of the CVE-2021-20088 vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability allows a threat actor to inject properties into Object.prototype by exploiting improperly controlled modification of object prototype attributes in mootools-more 1.6.0.

Affected Systems and Versions

mootools-more 1.6.0 is confirmed to be affected by this CVE-2021-20088 vulnerability, potentially impacting systems utilizing this version.

Exploitation Mechanism

By leveraging Prototype Pollution in mootools-more 1.6.0, attackers can inject properties into Object.prototype through manipulation of object prototype attributes.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-20088, immediate steps should be taken, while implementing long-term security practices and applying necessary patches and updates.

Immediate Steps to Take

Security teams should assess and monitor their systems for any signs of exploitation, and implement relevant security measures to prevent unauthorized access.

Long-Term Security Practices

Adopting robust security protocols, conducting regular security assessments, and promoting awareness among users can bolster overall security posture against such vulnerabilities.

Patching and Updates

Ensure that mootools-more is updated to a secure version, and promptly apply patches released by the vendor to address the Prototype Pollution vulnerability in 1.6.0.