CVE-2018-20329 : Exploit Details and Defense Strategies

Chamilo LMS version 1.11.8 is susceptible to a SQL injection vulnerability that can be exploited by users with access to the sessions catalogue, potentially leading to unauthorized data extraction and modification.

Understanding CVE-2018-20329

This CVE entry highlights a critical security issue in Chamilo LMS version 1.11.8, affecting the integrity of database information.

What is CVE-2018-20329?

The vulnerability resides in the file main/inc/lib/CoursesAndSessionsCatalog.class.php within Chamilo LMS version 1.11.8. It allows users, even those with restricted access, to execute SQL injection attacks, compromising the confidentiality and integrity of the database.

The Impact of CVE-2018-20329

Exploiting this vulnerability enables unauthorized users to extract and manipulate sensitive data stored in the database, posing a significant risk to the confidentiality and integrity of information within the system.

Technical Details of CVE-2018-20329

This section delves into the technical aspects of the CVE, shedding light on the vulnerability's specifics.

Vulnerability Description

The SQL injection vulnerability in Chamilo LMS version 1.11.8 permits users with access to the sessions catalogue to execute malicious SQL queries, potentially leading to data leakage and unauthorized modifications.

Affected Systems and Versions

Affected Systems: Chamilo LMS version 1.11.8
Affected Versions: All instances of version 1.11.8

Exploitation Mechanism

The vulnerability can be exploited by users who have access to the sessions catalogue, regardless of its public or private status. By injecting malicious SQL queries, attackers can extract and modify sensitive data stored in the database.

Mitigation and Prevention

Protecting systems from CVE-2018-20329 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable public access to the sessions catalogue if possible to limit exposure to the vulnerability.
Implement strict access controls to restrict user privileges within the system.

Long-Term Security Practices

Regularly monitor and audit database activities to detect any unauthorized access or modifications.
Conduct security training for users to raise awareness about SQL injection risks and best practices.

Patching and Updates

Apply the latest patches and updates provided by Chamilo to address the SQL injection vulnerability in version 1.11.8.