CVE-2021-42666 Explained : Impact and Mitigation

A SQL Injection vulnerability in Sourcecodester Engineers Online Portal in PHP allows malicious users to extract sensitive data and potentially execute remote code.

Understanding CVE-2021-42666

This CVE involves a critical SQL Injection vulnerability that puts Sourcecodester Engineers Online Portal at risk.

What is CVE-2021-42666?

A SQL Injection flaw in quiz_question.php via the id parameter enables unauthorized extraction of sensitive information and remote code execution on the web server.

The Impact of CVE-2021-42666

The vulnerability may lead to data leakage and unauthorized access to critical systems. It poses a severe risk to the confidentiality and integrity of data.

Technical Details of CVE-2021-42666

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The SQL Injection vulnerability in Sourcecodester Engineers Online Portal allows attackers to manipulate the id parameter to execute malicious code.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers exploit the id parameter in quiz_question.php to inject SQL queries, potentially leading to data theft and remote code execution.

Mitigation and Prevention

Protect your systems and data from CVE-2021-42666 through the following measures.

Immediate Steps to Take

Disable any unnecessary services or features.
Implement strict input validation to prevent SQL Injection attacks.
Regularly monitor and analyze web server logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Keep systems and software up to date with the latest security patches.

Patching and Updates

Apply the latest security patches and updates to Sourcecodester Engineers Online Portal to mitigate the SQL Injection vulnerability.