CVE-2020-7771 Explained : Impact and Mitigation

Asciitable.js before version 1.0.3 is susceptible to Prototype Pollution through its main function.

Understanding CVE-2020-7771

This CVE involves a vulnerability in the package Asciitable.js that can lead to Prototype Pollution.

What is CVE-2020-7771?

CVE-2020-7771 is a security vulnerability in Asciitable.js versions prior to 1.0.3 that allows for Prototype Pollution via the main function.

The Impact of CVE-2020-7771

The vulnerability has a CVSS base score of 7.5, indicating a high severity level with a significant impact on availability.

Technical Details of CVE-2020-7771

This section delves into the specifics of the CVE.

Vulnerability Description

Asciitable.js versions before 1.0.3 are vulnerable to Prototype Pollution, a type of vulnerability that can lead to unexpected behavior in JavaScript applications.

Affected Systems and Versions

Product: Asciitable.js
Vendor: Not applicable
Versions Affected: < 1.0.3

Exploitation Mechanism

The vulnerability can be exploited through the main function of Asciitable.js, allowing attackers to manipulate prototypes and potentially compromise the application.

Mitigation and Prevention

Protecting systems from CVE-2020-7771 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade to version 1.0.3 or above of Asciitable.js to mitigate the vulnerability.
Monitor for any unusual behavior in the application that could indicate exploitation.

Long-Term Security Practices

Regularly update dependencies to ensure the latest security patches are applied.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security updates for Asciitable.js and promptly apply patches to address known vulnerabilities.