CVE-2017-15110 : What You Need to Know
Learn about CVE-2017-15110 in Moodle 3.x, allowing students to access email addresses of course participants. Find mitigation steps and prevention measures here.
In Moodle 3.x, students can access the email addresses of other students in the same course, potentially leading to email enumeration and guessing.
Understanding CVE-2017-15110
In Moodle 3.x, a vulnerability exists that allows students to view email addresses of fellow course participants, regardless of email visibility settings.
What is CVE-2017-15110?
The CVE-2017-15110 vulnerability in Moodle 3.x enables students to search for and access the email addresses of all participants in a course, compromising their privacy and potentially facilitating email address enumeration.
The Impact of CVE-2017-15110
This vulnerability can lead to the exposure of sensitive email addresses, allowing students to gather contact information of their peers without authorization, posing a risk to their privacy and potentially enabling malicious activities.
Technical Details of CVE-2017-15110
The technical aspects of the CVE-2017-15110 vulnerability are as follows:
Vulnerability Description
The vulnerability arises from improper access control in Moodle 3.x, enabling students to bypass email visibility settings and access email addresses of other course participants.
Affected Systems and Versions
- Product: Moodle 3.x
- Version: Moodle 3.x
Exploitation Mechanism
By utilizing the search function on the Participants page in Moodle 3.x, students can search for and access the email addresses of all participants, regardless of their email visibility settings.
Mitigation and Prevention
To address CVE-2017-15110, the following steps can be taken:
Immediate Steps to Take
- Educate users about the importance of privacy settings and the risks of sharing personal information.
- Advise students to review and adjust their email visibility settings in Moodle to limit exposure.
Long-Term Security Practices
- Regularly update Moodle to the latest version to ensure patches for known vulnerabilities are applied.
- Conduct security training for users to enhance awareness of data privacy and security best practices.
Patching and Updates
Ensure timely installation of security patches and updates provided by Moodle to address vulnerabilities like CVE-2017-15110.