CVE-2021-23417 : Vulnerability Insights and Analysis
Learn about CVE-2021-23417, a vulnerability in the deepmergefn package allowing Prototype Pollution. Impact, technical details, and mitigation strategies included.
This article provides an in-depth understanding of CVE-2021-23417, a vulnerability related to Prototype Pollution in the deepmergefn package.
Understanding CVE-2021-23417
This section delves into the impact, technical details, and mitigation strategies associated with CVE-2021-23417.
What is CVE-2021-23417?
CVE-2021-23417 is a vulnerability that affects all versions of the deepmergefn package. It allows attackers to exploit Prototype Pollution via the deepMerge function.
The Impact of CVE-2021-23417
The impact of this vulnerability is rated as medium severity with a CVSS base score of 5.6. It poses a risk to the confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2021-23417
In this section, we explore the vulnerability description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability in deepmergefn arises from the insecure handling of object prototypes, enabling attackers to manipulate data structures through the deepMerge function.
Affected Systems and Versions
The deepmergefn package, with a custom version '0' that is unspecified, is confirmed to be affected by this vulnerability.
Exploitation Mechanism
Attackers can leverage the Prototype Pollution vulnerability in deepmergefn to modify object prototypes and potentially execute malicious code on target systems.
Mitigation and Prevention
This section outlines immediate steps to take and long-term security practices to mitigate the risks posed by CVE-2021-23417.
Immediate Steps to Take
Developers are advised to update to a patched version of deepmergefn, if available, and implement security controls to prevent exploitation of the Prototype Pollution vulnerability.
Long-Term Security Practices
To enhance overall security posture, organizations should conduct regular security assessments, educate developers on secure coding practices, and maintain awareness of emerging vulnerabilities.
Patching and Updates
Stay informed about security updates for the deepmergefn package and promptly apply patches to address known vulnerabilities.