CVE-2018-11119 : Exploit Details and Defense Strategies

This CVE-2018-11119 article provides insights into a vulnerability in ILIAS versions 5.1.x, 5.2.x, and 5.3.x before 5.3.5 that allows a logged-in user to be redirected to a third-party website.

Understanding CVE-2018-11119

This section delves into the impact and technical details of the CVE-2018-11119 vulnerability.

What is CVE-2018-11119?

Versions 5.1.x, 5.2.x, and 5.3.x of ILIAS, prior to 5.3.5, have a feature where a user who is logged-in redirects to a third-party website using the return_to_url parameter.

The Impact of CVE-2018-11119

The vulnerability allows unauthorized redirection of logged-in users to external websites, potentially leading to phishing attacks or unauthorized access to sensitive information.

Technical Details of CVE-2018-11119

This section provides a detailed overview of the vulnerability.

Vulnerability Description

ILIAS versions 5.1.x, 5.2.x, and 5.3.x before 5.3.5 redirect logged-in users to third-party sites via the return_to_url parameter.

Affected Systems and Versions

ILIAS versions 5.1.x, 5.2.x, and 5.3.x before 5.3.5

Exploitation Mechanism

The vulnerability is exploited by manipulating the return_to_url parameter to redirect users to malicious third-party websites.

Mitigation and Prevention

Protect your systems from CVE-2018-11119 with the following steps:

Immediate Steps to Take

Update ILIAS to version 5.3.5 or later to mitigate the vulnerability.
Educate users about the risks of unauthorized redirection.

Long-Term Security Practices

Regularly monitor and audit redirection mechanisms in web applications.
Implement secure coding practices to prevent unauthorized redirects.

Patching and Updates

Apply patches and updates provided by ILIAS to address the vulnerability.