CVE-2020-28462 : Vulnerability Insights and Analysis

This CVE-2020-28462 article provides insights into the ion-parser package vulnerability known as Prototype Pollution.

Understanding CVE-2020-28462

CVE-2020-28462, also referred to as Prototype Pollution, affects all versions of the ion-parser package. It allows attackers to manipulate the prototype of an application by submitting a malicious INI file.

What is CVE-2020-28462?

Prototype Pollution vulnerability in ion-parser enables attackers to contaminate an application's prototype by exploiting a parsing function with a malicious INI file.

The Impact of CVE-2020-28462

The impact of CVE-2020-28462 is rated as HIGH with a CVSS base score of 7.3. The vulnerability has a medium temporal severity and can lead to further exploitation based on the application's context.

Technical Details of CVE-2020-28462

CVE-2020-28462 involves the following technical aspects:

Vulnerability Description

The vulnerability allows attackers to pollute the prototype of an application by submitting a crafted INI file for parsing.

Affected Systems and Versions

Product: ion-parser
Vendor: Not specified
Versions affected: Custom version 0

Exploitation Mechanism

The vulnerability can be exploited by submitting a malicious INI file to an application that processes it using the parse function, leading to prototype pollution.

Mitigation and Prevention

To address CVE-2020-28462, consider the following steps:

Immediate Steps to Take

Update ion-parser to a patched version or apply vendor-supplied fixes.
Implement input validation to sanitize user inputs.
Monitor and restrict the use of parse functions in the application.

Long-Term Security Practices

Regularly update dependencies to mitigate known vulnerabilities.
Conduct security audits and code reviews to identify and address potential security flaws.

Patching and Updates

Stay informed about security advisories related to ion-parser.
Apply patches promptly to address any newly discovered vulnerabilities.