CVE-2021-23760 : What You Need to Know

CVE-2021-23760, also known as the Prototype Pollution vulnerability, affects the package keyget version 0.0.0. This vulnerability could be exploited via the methods set, push, and at, potentially leading to denial of service and remote code execution.

Understanding CVE-2021-23760

This section will delve into what CVE-2021-23760 entails, its impact, technical details, and mitigation strategies.

What is CVE-2021-23760?

The package keyget version 0.0.0 is vulnerable to Prototype Pollution, allowing attackers to execute code remotely via certain methods.

The Impact of CVE-2021-23760

With a CVSS base score of 5.6 (Medium Severity), this vulnerability poses a risk of denial of service and remote code execution. It stems from an incomplete fix to a previous CVE.

Technical Details of CVE-2021-23760

This section will provide a deeper look into the vulnerability, affected systems, and exploitation methods.

Vulnerability Description

The vulnerability in keyget version 0.0.0 allows attackers to manipulate prototype properties, potentially leading to code execution and denial of service.

Affected Systems and Versions

The affected system is the package keyget version 0.0.0. Users of this version are at risk of exploitation.

Exploitation Mechanism

Attackers can exploit the vulnerability by using the set, push, and at methods to pollute prototypes and execute malicious code.

Mitigation and Prevention

To safeguard your systems against CVE-2021-23760, consider the following mitigation strategies.

Immediate Steps to Take

Update to a patched version that addresses the Prototype Pollution vulnerability. Monitor for any unusual activities on your systems.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and stay informed about vulnerabilities in third-party packages.

Patching and Updates

Regularly update your software and dependencies to ensure you have the latest patches and security fixes in place.