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CVE-2023-30944 : Exploit Details and Defense Strategies

Explore the impact of CVE-2023-30944, a SQL injection vulnerability in Moodle versions 3.9.21, 3.11.14, 4.0.8, and 4.1.3, allowing attackers to execute SQL commands in the application database.

A detailed overview of the SQL injection vulnerability found in Moodle affecting various versions.

Understanding CVE-2023-30944

This section provides insights into the nature and impact of CVE-2023-30944 as well as technical details surrounding the vulnerability.

What is CVE-2023-30944?

The vulnerability was discovered in Moodle, arising from inadequate sanitization of user-supplied data in the external Wiki method for listing pages. An attacker could exploit this flaw by sending a specially crafted request to the affected application, allowing the execution of limited SQL commands within the application database.

The Impact of CVE-2023-30944

The impact of this vulnerability lies in the potential for a remote attacker to manipulate the application's database through SQL injection, potentially leading to information disclosure, data corruption, or unauthorized access.

Technical Details of CVE-2023-30944

Explore the specific technical aspects of the vulnerability, including the description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in Moodle is categorized under CWE-89, indicating improper neutralization of special elements used in an SQL command, specifically enabling SQL injection attacks.

Affected Systems and Versions

The SQL injection vulnerability impacts Moodle versions 3.9.21, 3.11.14, 4.0.8, and has been fixed in version 4.1.3.

Exploitation Mechanism

By leveraging the insufficient sanitization of user-supplied data in the external Wiki method for listing pages, a remote attacker can execute limited SQL commands within the application database.

Mitigation and Prevention

Discover the essential steps to mitigate the risks associated with CVE-2023-30944 and prevent potential exploitation.

Immediate Steps to Take

        Update Moodle to the latest patched version, such as 4.1.3, 4.0.8, 3.11.14, or 3.9.21, where the vulnerability has been addressed.
        Monitor for any unusual database activities or unauthorized access attempts.

Long-Term Security Practices

        Regularly conduct security assessments and audits to identify and remediate vulnerabilities promptly.
        Educate users and administrators about SQL injection risks and best practices for secure coding.

Patching and Updates

Stay informed about security advisories and updates from Moodle to promptly apply patches and fixes to eliminate vulnerabilities.

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