CVE-2023-2339 : Exploit Details and Defense Strategies

This CVE-2023-2339 involves a Cross-site Scripting (XSS) vulnerability that is reflected in the GitHub repository for pimcore/pimcore prior to version 10.5.21.

Understanding CVE-2023-2339

This section provides an overview of what CVE-2023-2339 entails, including its impact, technical details, and mitigation strategies.

What is CVE-2023-2339?

CVE-2023-2339 is classified as a Cross-site Scripting (XSS) vulnerability found in the pimcore/pimcore GitHub repository before version 10.5.21. This vulnerability could allow an attacker to inject malicious scripts into web pages viewed by other users, potentially leading to data theft or unauthorized actions.

The Impact of CVE-2023-2339

The impact of this vulnerability is rated as MEDIUM severity with a CVSS base score of 6.1. While the confidentiality and integrity impacts are considered low, the exploit can result in changes in scope, affecting the availability of the system.

Technical Details of CVE-2023-2339

Let's delve into the specific technical aspects of CVE-2023-2339, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

CVE-2023-2339 involves an improper neutralization of input during web page generation, also known as 'Cross-site Scripting' (CWE-79). Attackers can exploit this flaw to execute malicious scripts in the context of a user's browser, potentially leading to sensitive data exposure or account compromise.

Affected Systems and Versions

The vulnerability affects the pimcore/pimcore product, specifically versions prior to 10.5.21. Organizations using these versions are at risk of exploitation if adequate security measures are not implemented promptly.

Exploitation Mechanism

The attack vector for CVE-2023-2339 is through the network with low complexity, requiring no privileges. Attackers can exploit this vulnerability by tricking users into accessing a specially crafted link that contains malicious scripts, leading to the execution of unauthorized code.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2023-2339, proactive mitigation measures and long-term security practices should be implemented promptly.

Immediate Steps to Take

Update to version 10.5.21 or higher to mitigate the XSS vulnerability.
Regularly scan and assess web applications for security vulnerabilities.
Educate users on safe browsing practices to mitigate the risk of XSS attacks.

Long-Term Security Practices

Implement secure coding practices to prevent XSS vulnerabilities in web applications.
Utilize web application firewalls (WAFs) to filter and monitor incoming traffic for malicious payloads.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security updates and patches released by pimcore for the pimcore/pimcore product. Promptly apply these updates to ensure that your system is protected against known vulnerabilities like CVE-2023-2339.