CVE-2023-6778 : Security Advisory and Response

This CVE, assigned by @huntr_ai, was published on December 18, 2023, and pertains to a vulnerability affecting the "allegroai/clearml-server" product with versions prior to 1.13.0. The vulnerability involves Cross-site Scripting (XSS) stored in the GitHub repository of allegroai/clearml-server.

Understanding CVE-2023-6778

This section delves into the details of CVE-2023-6778, its impact, and technical aspects.

What is CVE-2023-6778?

CVE-2023-6778 involves Cross-site Scripting (XSS) found in the GitHub repository allegroai/clearml-server before version 1.13.0. This vulnerability specifically affects the ClearML Open Source Server and is recommended to be used within an organization's internal network rather than exposed publicly to the internet.

The Impact of CVE-2023-6778

The impact of this vulnerability is deemed as high severity (CVSS base score of 7.5). It can allow a malicious party within the same organization and with access to the network and a user's ClearML login credentials to execute arbitrary scripts on a victim's web browser.

Technical Details of CVE-2023-6778

This section provides deeper insight into the technical aspects of CVE-2023-6778.

Vulnerability Description

The vulnerability involves improper neutralization of input during web page generation (CWE-79), leading to the execution of malicious scripts within the context of the user's session.

Affected Systems and Versions

The vulnerability impacts versions of allegroai/clearml-server that are earlier than 1.13.0.

Exploitation Mechanism

An attacker can exploit this vulnerability by injecting malicious scripts into web pages viewed by users within the affected organization, potentially leading to unauthorized actions.

Mitigation and Prevention

To address CVE-2023-6778 and enhance security posture, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Ensure that the ClearML Open Source Server is not publicly exposed and is accessible only within the organization's secure network.
Regularly monitor for any unauthorized access or malicious activities within the internal network.

Long-Term Security Practices

Implement proper input validation and output encoding mechanisms to prevent XSS attacks.
Educate users about safe browsing practices and the risks associated with executing scripts from untrusted sources.

Patching and Updates

Upgrade to a version of allegroai/clearml-server that is equal to or above 1.13.0 to mitigate the XSS vulnerability. Regularly update software components to patch known security issues and improve overall system security.