CVE-2021-23807 : Vulnerability Insights and Analysis
Learn about CVE-2021-23807 impacting jsonpointer package before 5.0.0. Explore its impact, technical details, and mitigation steps to secure your systems.
This CVE-2021-23807 article provides insights into the Prototype Pollution vulnerability affecting the 'jsonpointer' package before version 5.0.0. It discusses the impact, technical details, and mitigation steps.
Understanding CVE-2021-23807
This section delves into the specifics of the CVE-2021-23807 vulnerability.
What is CVE-2021-23807?
The CVE-2021-23807, known as Prototype Pollution, impacts the 'jsonpointer' package versions before 5.0.0. A type confusion vulnerability allows bypassing a prior Prototype Pollution fix when the pointer components are arrays.
The Impact of CVE-2021-23807
The vulnerability possesses a CVSS base score of 5.6, marking it as a medium severity issue. It has a high attack complexity, network attack vector, and low impact on confidentiality, integrity, and availability. The exploit code maturity is proof of concept with confirmed report confidence.
Technical Details of CVE-2021-23807
This section elaborates on the technical aspects of CVE-2021-23807.
Vulnerability Description
A type confusion flaw in the 'jsonpointer' package before 5.0.0 allows attackers to subvert the Prototype Pollution security mechanism.
Affected Systems and Versions
The vulnerability affects all versions of the 'jsonpointer' package prior to 5.0.0.
Exploitation Mechanism
By manipulating pointer components as arrays, threat actors can exploit the type confusion vulnerability to evade security controls.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent exploitation of CVE-2021-23807.
Immediate Steps to Take
Users are advised to update the 'jsonpointer' package to version 5.0.0 or higher to eliminate the vulnerability.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and stay informed about potential security threats.
Patching and Updates
Stay vigilant for security advisories, apply patches promptly, and keep software and packages up to date to prevent security breaches.