CVE-2023-36486 Explained : Impact and Mitigation

This article provides insights into CVE-2023-36486, a vulnerability found in the ILIAS application.

Understanding CVE-2023-36486

CVE-2023-36486 is a security flaw identified in the workflow-engine of ILIAS versions prior to 7.23 and 8 before 8.3. It enables remote authenticated users to execute arbitrary system commands on the application server by uploading a workflow definition file with a malicious filename.

What is CVE-2023-36486?

The vulnerability in the ILIAS workflow-engine allows authenticated remote users to run unauthorized system commands on the application server, posing a significant security risk to affected systems.

The Impact of CVE-2023-36486

Exploiting CVE-2023-36486 could result in unauthorized access to sensitive data, manipulation of system configurations, and potential disruption of services, compromising the integrity and confidentiality of the application's operations.

Technical Details of CVE-2023-36486

The following technical details outline the specifics of CVE-2023-36486:

Vulnerability Description

The flaw allows remote authenticated users to execute arbitrary system commands on the ILIAS application server by uploading a specially crafted workflow definition file.

Affected Systems and Versions

ILIAS versions prior to 7.23 and 8 before 8.3 are affected by this vulnerability, exposing them to potential exploitation by malicious actors.

Exploitation Mechanism

By manipulating the filename of a workflow definition file, remote authenticated users can upload and execute arbitrary system commands on the ILIAS application server.

Mitigation and Prevention

To address the CVE-2023-36486 vulnerability, consider the following mitigation strategies:

Immediate Steps to Take

Update ILIAS to the latest version to patch the vulnerability and prevent exploitation.
Implement strict file upload restrictions and validation mechanisms to prevent the execution of unauthorized commands.

Long-Term Security Practices

Regularly monitor and audit system activity for any signs of unauthorized file uploads or command executions.
Conduct security training for users to raise awareness about safe file handling practices.

Patching and Updates

Stay informed about security advisories from ILIAS and promptly apply patches and updates to ensure the protection of your systems and data.