CVE-2019-14830 : What You Need to Know
Discover the security flaw in Moodle versions 3.7 to 3.7.1, 3.6 to 3.6.5, and 3.5 to 3.5.7, potentially exposing user's mobile access token. Learn how to mitigate and prevent CVE-2019-14830.
A security flaw has been discovered in various versions of Moodle, including 3.7 to 3.7.1, 3.6 to 3.6.5, and 3.5 to 3.5.7, as well as earlier unsupported versions. The vulnerability involves an open redirect in specific situations when accessing the mobile launch endpoint, potentially leading to the exposure of a user's mobile access token. This issue does not impact sites with certain configurations.
Understanding CVE-2019-14830
This CVE identifies a security vulnerability in Moodle versions that could result in the exposure of a user's mobile access token.
What is CVE-2019-14830?
The CVE-2019-14830 vulnerability in Moodle versions allows for an open redirect when accessing the mobile launch endpoint, potentially exposing a user's mobile access token.
The Impact of CVE-2019-14830
The vulnerability could lead to the exposure of sensitive user information, specifically the mobile access token, if exploited by malicious actors.
Technical Details of CVE-2019-14830
This section provides technical details about the vulnerability.
Vulnerability Description
The security flaw in Moodle versions allows for an open redirect in specific scenarios, potentially exposing a user's mobile access token.
Affected Systems and Versions
- Affected versions: 3.7 to 3.7.1, 3.6 to 3.6.5, 3.5 to 3.5.7, and earlier unsupported versions
- Systems running Moodle with default configurations
Exploitation Mechanism
The vulnerability is exploited by accessing the mobile launch endpoint under certain conditions, leading to the potential exposure of a user's mobile access token.
Mitigation and Prevention
Protect your systems and users from the CVE-2019-14830 vulnerability.
Immediate Steps to Take
- Update Moodle to the latest patched version immediately
- Implement forced URL scheme configurations, disable mobile services, or set the mobile app login method to "via the app"
Long-Term Security Practices
- Regularly monitor and update Moodle installations
- Educate users on safe mobile app usage practices
Patching and Updates
- Apply security patches and updates provided by Moodle to address the vulnerability