CVE-2017-5945 : What You Need to Know

A vulnerability was discovered in the PoodLL Filter plugin up to version 3.0.20 for Moodle, allowing attackers to execute arbitrary code on compromised websites.

Understanding CVE-2017-5945

This CVE entry highlights a security flaw in the PoodLL Filter plugin for Moodle.

What is CVE-2017-5945?

The vulnerability arises from inadequate filtering of user-supplied data in the "poodll_audio_url" HTTP GET parameter.

The Impact of CVE-2017-5945

Exploiting this flaw enables attackers to run arbitrary HTML and script code within a web browser while on the compromised site.

Technical Details of CVE-2017-5945

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue stems from the lack of proper filtration of user-provided data in a specific HTTP GET parameter.

Affected Systems and Versions

Product: PoodLL Filter plugin for Moodle
Versions affected: Up to version 3.0.20

Exploitation Mechanism

The vulnerability allows attackers to execute arbitrary code by manipulating the "poodll_audio_url" parameter.

Mitigation and Prevention

Protecting systems from CVE-2017-5945 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or remove the vulnerable plugin from affected systems.
Implement strict input validation mechanisms.
Regularly monitor and update security configurations.

Long-Term Security Practices

Conduct regular security audits and penetration testing.
Educate users on safe browsing habits and potential risks.

Patching and Updates

Apply patches or updates provided by the plugin vendor to address the vulnerability.