CVE-2019-15536 Explained : Impact and Mitigation

SQL Injection can occur in the Acclaim block plugin prior to 2019-06-26 for Moodle, specifically through the delete_records function.

Understanding CVE-2019-15536

The Acclaim block plugin before 2019-06-26 for Moodle allows SQL Injection via delete_records.

What is CVE-2019-15536?

CVE-2019-15536 is a vulnerability that enables SQL Injection in the Acclaim block plugin for Moodle before 2019-06-26, particularly through the delete_records function.

The Impact of CVE-2019-15536

This vulnerability can lead to unauthorized access to the Moodle system, manipulation of data, and potentially complete system compromise.

Technical Details of CVE-2019-15536

Vulnerability Description

The SQL Injection vulnerability in the Acclaim block plugin for Moodle allows attackers to execute malicious SQL queries through the delete_records function.

Affected Systems and Versions

Affected: Acclaim block plugin for Moodle before 2019-06-26
Not affected: Versions after 2019-06-26

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting SQL code into the delete_records function, manipulating database queries to gain unauthorized access.

Mitigation and Prevention

Immediate Steps to Take

Update the Acclaim block plugin to a version released after 2019-06-26.
Monitor system logs for any suspicious activities indicating SQL Injection attempts.
Implement input validation and parameterized queries to mitigate SQL Injection risks.

Long-Term Security Practices

Regularly audit and review code for potential vulnerabilities like SQL Injection.
Educate developers and administrators on secure coding practices to prevent SQL Injection attacks.

Patching and Updates

Apply security patches and updates provided by Moodle for the Acclaim block plugin to address the SQL Injection vulnerability.