CVE-2018-1133 : Security Advisory and Response
Learn about CVE-2018-1133, a critical vulnerability in Moodle 3.x allowing remote code execution. Find out how to mitigate the risk and secure your Moodle installation.
In Moodle version 3.x, a vulnerability allows for remote code execution on the server through a Calculated question, known as eval injection.
Understanding CVE-2018-1133
What is CVE-2018-1133?
An issue in Moodle 3.x enables a Teacher to exploit a vulnerability, leading to remote code execution on the server.
The Impact of CVE-2018-1133
The vulnerability allows attackers to execute code remotely, posing a significant security risk to Moodle installations.
Technical Details of CVE-2018-1133
Vulnerability Description
When creating a Calculated question, a Teacher can intentionally trigger remote code execution on the server, also known as eval injection.
Affected Systems and Versions
- Product: Moodle 3.x unknown
- Vendor: n/a
- Versions: Moodle 3.x unknown
Exploitation Mechanism
The vulnerability can be exploited by creating a Calculated question, enabling the injection of malicious code for remote execution.
Mitigation and Prevention
Immediate Steps to Take
- Update Moodle to the latest version to patch the vulnerability.
- Educate users on safe practices to prevent exploitation.
Long-Term Security Practices
- Regularly monitor and audit Moodle installations for any suspicious activities.
- Implement network security measures to detect and prevent unauthorized access.
Patching and Updates
Apply security patches and updates provided by Moodle to address known vulnerabilities.