CVE-2018-1137 : Vulnerability Insights and Analysis

A problem has been identified in the Moodle 3.x system where users can create instances of any class by replacing URLs in portfolios, potentially leading to a DDoS attack.

Understanding CVE-2018-1137

This CVE involves an incorrect access control issue in Moodle 3.x.

What is CVE-2018-1137?

An issue in Moodle 3.x allows users to manipulate URLs in portfolios, enabling them to instantiate any class. This vulnerability can be exploited by logged-in guests, posing a risk of DDoS attacks.

The Impact of CVE-2018-1137

The vulnerability can be abused by users to create instances of any class, potentially leading to a DDoS attack when exploited by logged-in guests.

Technical Details of CVE-2018-1137

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Moodle 3.x allows users to manipulate URLs in portfolios, granting them the ability to instantiate any class, including the potential for a DDoS attack.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by replacing URLs in portfolios, enabling users to create instances of any class, which can lead to a DDoS attack.

Mitigation and Prevention

To address CVE-2018-1137, follow these mitigation steps:

Immediate Steps to Take

Apply the latest security patches provided by Moodle.
Monitor and restrict guest access to prevent unauthorized exploitation.

Long-Term Security Practices

Regularly update Moodle to the latest version to patch known vulnerabilities.
Educate users on secure practices to prevent unauthorized access.

Patching and Updates

Stay informed about security updates from Moodle and apply them promptly to mitigate risks.