CVE-2018-10889 : Exploit Details and Defense Strategies

An issue was discovered in moodle prior to versions 3.5.1, 3.4.4, 3.3.7. The lack of functionality to exclude logs from data privacy exports could lead to the inclusion of information about third-party users.

Understanding CVE-2018-10889

This CVE affects Moodle versions 3.5.1, 3.4.4, and 3.3.7, impacting data privacy exports.

What is CVE-2018-10889?

A flaw in Moodle versions prior to 3.5.1, 3.4.4, 3.3.7 allowed the potential exposure of information about third-party users during data privacy exports.

The Impact of CVE-2018-10889

The vulnerability could result in the inadvertent disclosure of sensitive information about users interacting with the requester during data exports.

Technical Details of CVE-2018-10889

This section provides detailed technical information about the CVE.

Vulnerability Description

The lack of an option to exclude logs from data privacy exports in Moodle versions prior to 3.5.1, 3.4.4, 3.3.7 could lead to the inclusion of details about other users interacting with the requester.

Affected Systems and Versions

Affected Product: Moodle
Affected Versions: 3.5.1, 3.4.4, 3.3.7

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2018-10889 vulnerability.

Immediate Steps to Take

Update Moodle to versions 3.5.1, 3.4.4, or 3.3.7 to address the lack of functionality in data privacy exports.
Educate users about potential data exposure risks during exports.

Long-Term Security Practices

Regularly review and update data privacy settings in Moodle to ensure user information protection.
Implement access controls to limit who can export data containing sensitive user details.

Patching and Updates

Apply patches provided by Moodle to fix the data privacy export issue and prevent inadvertent data exposure.