CVE-2017-2643 : Security Advisory and Response

In Moodle version 3.2.x, the global search feature exposes user names of unauthenticated users.

Understanding CVE-2017-2643

This CVE entry highlights a vulnerability in Moodle 3.2.x that allows unauthenticated users to view user names through the global search feature.

What is CVE-2017-2643?

The vulnerability in Moodle version 3.2.x enables unauthenticated users to see user names via the global search functionality.

The Impact of CVE-2017-2643

The exposure of user names to unauthenticated users can lead to privacy breaches and potential unauthorized access to user information.

Technical Details of CVE-2017-2643

This section delves into the technical aspects of the CVE.

Vulnerability Description

The issue in Moodle 3.2.x allows unauthenticated users to access user names through the global search feature, compromising user privacy.

Affected Systems and Versions

Product: Moodle 3.2.x
Vendor: n/a

Exploitation Mechanism

Unauthenticated users can exploit the global search feature in Moodle 3.2.x to reveal user names, potentially compromising user privacy.

Mitigation and Prevention

Protecting systems from CVE-2017-2643 is crucial to maintaining security.

Immediate Steps to Take

Disable the global search feature in Moodle 3.2.x if not essential for operations.
Implement access controls to restrict unauthenticated user access to sensitive information.

Long-Term Security Practices

Regularly update Moodle to the latest version to patch known vulnerabilities.
Educate users on the importance of data privacy and security practices.

Patching and Updates

Apply patches provided by Moodle to address the vulnerability and enhance system security.