CVE-2018-1134 : Exploit Details and Defense Strategies

A vulnerability has been identified in Moodle version 3.x that allows students to access any stored Moodle file by manipulating the download URL.

Understanding CVE-2018-1134

This CVE involves an incorrect access control issue in Moodle 3.x, enabling students to download files they should not have access to.

What is CVE-2018-1134?

This vulnerability in Moodle version 3.x allows students who have submitted assignments and exported them to portfolios to obtain any stored Moodle file by modifying the download URL.

The Impact of CVE-2018-1134

The vulnerability poses a risk as it allows unauthorized access to sensitive Moodle files, potentially compromising the confidentiality of data stored within the platform.

Technical Details of CVE-2018-1134

This section provides more technical insights into the CVE.

Vulnerability Description

An issue in Moodle 3.x enables students to download any stored Moodle file by changing the download URL after submitting assignments and exporting them to portfolios.

Affected Systems and Versions

Product: Moodle 3.x unknown
Vendor: n/a
Versions: Moodle 3.x unknown

Exploitation Mechanism

The vulnerability is exploited by students who have submitted assignments and exported them to portfolios, allowing them to manipulate the download URL to access Moodle files.

Mitigation and Prevention

Protecting systems from CVE-2018-1134 requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor and restrict access to sensitive Moodle files.
Educate users on secure file handling practices.

Long-Term Security Practices

Regularly update Moodle to the latest version to patch known vulnerabilities.
Implement access controls and permissions to limit file access based on user roles.

Patching and Updates

Ensure timely installation of security patches and updates for Moodle to address vulnerabilities like CVE-2018-1134.