Discover the details of CVE-2021-23442, a High severity vulnerability known as Prototype Pollution affecting all versions of @cookiex/deep package. Learn about its impact, technical details, and mitigation steps.
This CVE-2021-23442 article provides insights into a vulnerability named 'Prototype Pollution' impacting all versions of the package @cookiex/deep.
Understanding CVE-2021-23442
This section sheds light on what CVE-2021-23442 entails.
What is CVE-2021-23442?
CVE-2021-23442, known as Prototype Pollution, allows attackers to pollute the global proto object using the proto object in all versions of @cookiex/deep package.
The Impact of CVE-2021-23442
The vulnerability possesses a CVSS base score of 8.6 (High severity), with high confidentiality impact and proof-of-concept exploit code maturity.
Technical Details of CVE-2021-23442
This section covers the technical aspects of the CVE.
Vulnerability Description
CVE-2021-23442 results from the pollution of the global proto object utilizing the proto object.
Affected Systems and Versions
The vulnerability affects all versions of the package @cookiex/deep.
Exploitation Mechanism
Exploiting this vulnerability allows attackers to contaminate the global proto object.
Mitigation and Prevention
In this section, we discuss how to mitigate the risks associated with CVE-2021-23442.
Immediate Steps to Take
Developers should apply an official fix promptly to prevent exploitation of the vulnerability.
Long-Term Security Practices
Implementing secure coding practices and regular security assessments can help prevent similar vulnerabilities.
Patching and Updates
Stay informed about security updates for @cookiex/deep and apply patches as soon as they are available.