CVE-2023-35132 : Vulnerability Insights and Analysis

A limited SQL injection risk was identified on the Mnet SSO access control page in Moodle versions 4.2 and prior. This vulnerability could allow attackers to execute malicious SQL queries, potentially leading to unauthorized access or data leakage.

Understanding CVE-2023-35132

A SQL injection vulnerability in Moodle versions 4.2 and earlier could jeopardize data integrity and confidentiality.

What is CVE-2023-35132?

CVE-2023-35132 discloses a restricted SQL injection flaw present in the Mnet SSO access control page of Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21, and earlier unsupported versions.

The Impact of CVE-2023-35132

This vulnerability can be exploited by malicious actors to inject and execute arbitrary SQL queries, possibly resulting in unauthorized data access, modification, or exfiltration on affected Moodle systems.

Technical Details of CVE-2023-35132

The following technical aspects outline the specifics of the CVE-2023-35132 vulnerability:

Vulnerability Description

The flaw allows an attacker to manipulate SQL queries through the Mnet SSO access control page, potentially leading to database compromise.

Affected Systems and Versions

Moodle versions affected by this vulnerability include 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21, and any earlier unsupported versions.

Exploitation Mechanism

Exploitation of this vulnerability involves crafting malicious SQL queries and injecting them into the affected Moodle instance via the Mnet SSO access control page.

Mitigation and Prevention

Taking immediate action and following robust security practices are crucial to safeguarding systems from CVE-2023-35132.

Immediate Steps to Take

Administrators should apply the latest security patches provided by Moodle to remediate the vulnerability.
Regularly monitor and audit database activities for any unauthorized access or queries.

Long-Term Security Practices

Implement input validation and parameterized queries to mitigate SQL injection risks during application development.
Conduct regular security assessments and penetration testing to identify and mitigate potential vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates released by Moodle to address known vulnerabilities, including CVE-2023-35132.