CVE-2019-3848 : Security Advisory and Response
Learn about CVE-2019-3848, a vulnerability in Moodle versions 3.6.3, 3.5.5, and 3.4.8 allowing unauthorized access to confidential calendar events. Find mitigation steps and preventive measures here.
This CVE record pertains to a vulnerability found in Moodle versions 3.6.3, 3.5.5, and 3.4.8, allowing unauthorized access to confidential calendar events.
Understanding CVE-2019-3848
A weakness in Moodle's authentication system led to unauthorized viewing of calendar events by registered users.
What is CVE-2019-3848?
The vulnerability in Moodle versions 3.6.3, 3.5.5, and 3.4.8 allowed registered users to access confidential calendar events without proper authorization.
The Impact of CVE-2019-3848
- Registered users could view confidential calendar events without permission
- Users were restricted to read-only access and couldn't modify events
Technical Details of CVE-2019-3848
Vulnerability Description
The flaw in Moodle's authentication system allowed unauthorized access to calendar events.
Affected Systems and Versions
- Vendor: [UNKNOWN]
- Product: Moodle
- Affected Versions: 3.6.3, 3.5.5, 3.4.8
Exploitation Mechanism
The vulnerability enabled registered users to view confidential calendar events without proper authorization.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Moodle to versions 3.6.3, 3.5.5, or 3.4.8
- Restrict access to calendar events based on user roles
Long-Term Security Practices
- Regularly review and update user permissions
- Implement multi-factor authentication for enhanced security
Patching and Updates
- Apply security patches provided by Moodle to address the vulnerability