CVE-2023-23937 : Vulnerability Insights and Analysis

This CVE involves a vulnerability in the Pimcore platform related to missing file upload type validation, allowing authenticated users to bypass security checks and potentially upload malicious files that could lead to the execution of JavaScript content in the context of the domain.

Understanding CVE-2023-23937

This section will delve into the details of CVE-2023-23937, outlining the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-23937?

The CVE-2023-23937 vulnerability pertains to a missing file upload type validation issue in Pimcore, an Open Source Data & Experience Management Platform. In this case, the upload functionality for updating a user profile fails to properly validate the file content-type. This oversight enables authenticated users to circumvent security checks by adding a valid signature (e.g., GIF89) and sending any invalid content-type. Consequently, an attacker could upload HTML files containing JavaScript content that would execute within the domain's context.

The Impact of CVE-2023-23937

The impact of CVE-2023-23937 is significant, with a base severity rating of HIGH. The confidentiality impact is rated as HIGH, with a base score of 8.2 according to the CVSS v3.1 metrics. This vulnerability poses a risk of unauthorized file uploads and potential execution of malicious scripts within the affected system.

Technical Details of CVE-2023-23937

This section provides more specific technical details about the vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the lack of proper file upload type validation in the Pimcore platform, allowing for the unauthorized upload of files with potentially dangerous content types, such as HTML files with JavaScript content.

Affected Systems and Versions

The CVE-2023-23937 vulnerability impacts the Pimcore platform, specifically versions prior to 10.5.16. Systems running versions older than this are considered affected and vulnerable to exploitation.

Exploitation Mechanism

Exploiting CVE-2023-23937 involves an authenticated user leveraging the inadequate file upload type validation to upload malicious files, thereby potentially executing harmful scripts within the domain's context.

Mitigation and Prevention

In light of CVE-2023-23937, it is crucial for users and organizations utilizing Pimcore to take immediate steps to mitigate the risk posed by this vulnerability and implement long-term security practices to prevent similar issues in the future.

Immediate Steps to Take

To address CVE-2023-23937, users should ensure they have updated their Pimcore installations to version 10.5.16 or newer, which includes the necessary patch to mitigate the file upload type validation vulnerability. Additionally, users are advised to review and restrict file upload permissions to authorized users only.

Long-Term Security Practices

In the long term, organizations should prioritize regular security assessments, secure coding practices, and employee training to enhance overall security posture and reduce the likelihood of similar vulnerabilities in their systems.

Patching and Updates

Regularly monitoring for security patches and updates from Pimcore is essential to stay abreast of any new fixes or enhancements that address vulnerabilities like CVE-2023-23937. Promptly applying these patches helps ensure the continued security and integrity of the Pimcore platform.