CVE-2021-23328 : Security Advisory and Response
Learn about CVE-2021-23328, a Prototype Pollution vulnerability in iniparserjs package. Discover the impact, affected systems, exploitation details, and mitigation steps.
A detailed overview of CVE-2021-23328, a vulnerability related to Prototype Pollution in the 'iniparserjs' package.
Understanding CVE-2021-23328
This CVE affects all versions of the 'iniparserjs' package due to a vulnerability that arises when the 'ini_parser.js' file processes arrays, potentially allowing an attacker to manipulate the object prototype of a program.
What is CVE-2021-23328?
CVE-2021-23328, also known as Prototype Pollution, is a security vulnerability found in the 'iniparserjs' package. It allows an attacker to modify the prototype of a program by providing user input, leading to potential security breaches.
The Impact of CVE-2021-23328
The impact of this vulnerability is rated as MEDIUM. With a CVSS base score of 5.6, it poses a risk to confidentiality, integrity, and availability of affected systems. Although privileges are not required for exploitation, the attack complexity is high and the exploit code maturity is at the proof of concept stage.
Technical Details of CVE-2021-23328
This section provides technical details about the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability in 'iniparserjs' occurs when the 'ini_parser.js' file processes arrays, enabling an attacker to overwrite and pollute the object prototype of a program.
Affected Systems and Versions
All versions of the 'iniparserjs' package are affected by this vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by providing malicious user input to manipulate the object prototype of the targeted program.
Mitigation and Prevention
In this section, we discuss the immediate steps to take and long-term security practices to prevent exploitation of CVE-2021-23328.
Immediate Steps to Take
Users are advised to update the 'iniparserjs' package to a secure version and avoid processing untrusted user input to mitigate the risk of exploitation.
Long-Term Security Practices
Implement input validation mechanisms, adhere to secure coding practices, and stay informed about security updates and patches for the 'iniparserjs' package.
Patching and Updates
Regularly update the 'iniparserjs' package to the latest secure version to ensure protection against known vulnerabilities.