CVE-2021-41920 : What You Need to Know

webTareas version 2.4 and earlier is vulnerable to an unauthenticated user performing SQL Injection, leading to unauthorized access to the database and the application.

Understanding CVE-2021-41920

webTareas version 2.4 and earlier allows an unauthenticated user to perform Time and Boolean-based blind SQL Injection on the endpoint /includes/library.php.

What is CVE-2021-41920?

This CVE describes a vulnerability in webTareas version 2.4 and earlier that enables an attacker, without authentication, to execute blind SQL Injection through specific HTTP POST parameters, granting them access to sensitive data.

The Impact of CVE-2021-41920

The vulnerability permits unauthorized individuals to extract all database content and gain control over the webTareas application, potentially resulting in data breaches and system compromise.

Technical Details of CVE-2021-41920

webTareas version 2.4 and earlier is susceptible to security risks due to SQL Injection.

Vulnerability Description

The flaw allows attackers to execute Time and Boolean-based blind SQL Injection via the sor_cible, sor_champs, and sor_ordre HTTP POST parameters in /includes/library.php.

Affected Systems and Versions

Product: webTareas
Version: 2.4 and earlier

Exploitation Mechanism

Attacker sends crafted HTTP POST requests with malicious parameters to the specified endpoint.

Mitigation and Prevention

Take immediate action to secure systems against the CVE-2021-41920 vulnerability.

Immediate Steps to Take

Update webTareas to the latest version.
Implement input validation to sanitize user input effectively.
Monitor and analyze web application logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Train development teams on secure coding practices and SQL Injection prevention methods.
Keep abreast of security advisories and promptly apply patches to mitigate known vulnerabilities.