CVE-2021-4261 Explained : Impact and Mitigation

A critical vulnerability has been discovered in pacman-canvas up to version 1.0.5, specifically in the addHighscore function of the file db-handler.php, leading to SQL injection. This vulnerability allows remote attackers to manipulate the system. It is crucial to upgrade to version 1.0.6 to fix this issue.

Understanding CVE-2021-4261

This section provides detailed insights into the CVE-2021-4261 vulnerability.

What is CVE-2021-4261?

CVE-2021-4261 is a critical vulnerability found in the pacman-canvas application, allowing remote attackers to perform SQL injection through the addHighscore function.

The Impact of CVE-2021-4261

The impact of CVE-2021-4261 is severe as it allows attackers to execute malicious SQL queries remotely, compromising the integrity and confidentiality of the affected systems.

Technical Details of CVE-2021-4261

In this section, we delve into the technical aspects of CVE-2021-4261.

Vulnerability Description

The vulnerability arises from improper input neutralization, leading to SQL injection in the addHighscore function of pacman-canvas' db-handler.php file.

Affected Systems and Versions

The vulnerability affects all versions of pacman-canvas up to 1.0.5.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by manipulating input in the addHighscore function, enabling SQL injection attacks.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-4261, immediate actions need to be taken.

Immediate Steps to Take

It is highly recommended to update pacman-canvas to version 1.0.6 to eliminate the vulnerability and prevent potential attacks.

Long-Term Security Practices

Implement strict input validation practices and conduct regular security audits to identify and address similar vulnerabilities in the future.

Patching and Updates

Stay updated with security patches and version upgrades of software components to stay protected against known vulnerabilities.