CVE-2023-28109 : Exploit Details and Defense Strategies

This CVE-2023-28109 relates to a vulnerability found in Play With Docker, a browser-based Docker playground, where versions 0.0.2 and earlier are susceptible to an Authorization Bypass through User-Controlled Key. The issue allowed for domain hijacking due to incorrect CORS configuration, enabling an attacker to exploit the CORS policy and access basic user information.

Understanding CVE-2023-28109

This section explores the specifics of CVE-2023-28109, including what the vulnerability entails and its potential impact.

What is CVE-2023-28109?

CVE-2023-28109 is a security flaw in Play With Docker that allowed attackers to bypass the CORS policy by manipulating the origin header in an HTTP request, leading to domain hijacking and unauthorized access to user data.

The Impact of CVE-2023-28109

The impact of CVE-2023-28109 on affected systems included the potential exposure of confidential user information due to the vulnerability present in Play With Docker versions 0.0.2 and earlier.

Technical Details of CVE-2023-28109

Delving deeper into the technical aspects of CVE-2023-28109 to understand how the vulnerability operates and its implications.

Vulnerability Description

The vulnerability in Play With Docker stemmed from an incorrect CORS configuration, allowing attackers to exploit domain hijacking by manipulating the origin header in HTTP requests, leading to unauthorized access to user data.

Affected Systems and Versions

Play With Docker versions 0.0.2 and prior were affected by CVE-2023-28109, making them vulnerable to the Authorization Bypass through User-Controlled Key issue.

Exploitation Mechanism

By setting the origin header in an HTTP request to a malicious domain, such as

evil-play-with-docker.com

, attackers could successfully bypass the CORS policy and retrieve basic user information, exploiting the vulnerability present in Play With Docker.

Mitigation and Prevention

In this section, we outline the necessary steps to mitigate the risks associated with CVE-2023-28109 and prevent potential security breaches in the future.

Immediate Steps to Take

Users of Play With Docker are advised to update to the latest version beyond 0.0.2, which addresses the vulnerability and ensures secure usage of the platform. Additionally, users should review their security settings and configurations to prevent similar issues in the future.

Long-Term Security Practices

Implementing stringent security measures, such as proper CORS configuration, regular security audits, and user input validation, can help enhance the overall security posture of web applications like Play With Docker.

Patching and Updates

Regularly applying patches and updates released by Play With Docker to address security vulnerabilities is crucial in safeguarding the platform against unauthorized access and potential exploits like the one observed in CVE-2023-28109.