CVE-2023-28435 : What You Need to Know

This CVE-2023-28435 pertains to a vulnerability found in the Dataease file upload interface, specifically related to the lack of permission verification and file type validation.

Understanding CVE-2023-28435

This CVE highlights a security issue in the Dataease platform, an open-source data visualization and analysis tool. The vulnerability allows users, even those not logged in, to upload files without proper permission or file type validation.

What is CVE-2023-28435?

The CVE-2023-28435 involves an improper verification of permissions and file types in the file upload interface of Dataease. This opens the door for potential security risks from unauthorized file uploads.

The Impact of CVE-2023-28435

The impact of this CVE can lead to unauthorized file uploads, potentially allowing malicious actors to upload harmful files to the system. This could compromise the integrity and security of the platform and its data.

Technical Details of CVE-2023-28435

The vulnerability is classified with a CVSS v3.1 base score of 6.5, indicating a medium severity issue. It has a low attack complexity and involves network attack vectors. The availability impact is considered low, with no privileges required for exploitation.

Vulnerability Description

The issue arises from the lack of permission verification and file type validation in the Dataease file upload interface, allowing for unchecked file uploads.

Affected Systems and Versions

The affected vendor is Dataease, specifically the product version prior to 1.18.5. Versions older than 1.18.5 are susceptible to this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by users, including those who are not logged in, to upload files of any type without proper verification, potentially compromising the system's security.

Mitigation and Prevention

It is crucial for users and administrators to take immediate steps to address and prevent potential exploits resulting from CVE-2023-28435.

Immediate Steps to Take

Users are advised to update their Dataease platform to version 1.18.5 or newer to patch the vulnerability and prevent unauthorized file uploads.

Long-Term Security Practices

Implementing regular security checks, ensuring proper file upload validation, and maintaining up-to-date software versions are essential for enhancing the overall security posture of the platform.

Patching and Updates

Regularly monitoring for security advisories and promptly applying patches provided by the vendor is crucial in mitigating security risks associated with vulnerabilities like CVE-2023-28435.