CVE-2023-28128 : Security Advisory and Response

This CVE-2023-28128 was published on May 9, 2023, and involves an unrestricted upload of file with a dangerous type vulnerability in Avalanche versions 6.3.x and below. This vulnerability could potentially allow an attacker to achieve remote code execution.

Understanding CVE-2023-28128

This section will cover what CVE-2023-28128 is and the impact it can have, along with the technical details of the vulnerability.

What is CVE-2023-28128?

CVE-2023-28128 is a security vulnerability found in Avalanche versions 6.3.x and below. It specifically involves an unrestricted upload of file with dangerous type vulnerability, which falls under CWE-434 category.

The Impact of CVE-2023-28128

The impact of CVE-2023-28128 is significant as it allows attackers to potentially execute remote code on affected systems. This can lead to unauthorized access, data theft, and other malicious activities.

Technical Details of CVE-2023-28128

In this section, we will delve deeper into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Avalanche versions 6.3.x and below allows for an unrestricted upload of files with dangerous types. This means that attackers can upload malicious files to the system, potentially leading to remote code execution.

Affected Systems and Versions

The affected systems include Avalanche version 6.3.x and below. Users utilizing these versions are at risk of exploitation if proper mitigation steps are not taken.

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading malicious files with dangerous types to the system. Once uploaded, they can trigger remote code execution to take control of the affected system.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-28128, it is crucial to take immediate steps, implement long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Disable any file upload functionality that is not necessary.
Implement input validation to verify the file types being uploaded.
Monitor file upload activities for any suspicious behavior.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify vulnerabilities.
Keep systems and software up to date with the latest security patches.
Educate users on best practices for safe file uploading and system usage.

Patching and Updates

It is essential to apply the latest patches and updates provided by Avalanche for the affected versions. Regularly checking for security advisories and staying informed about potential vulnerabilities is crucial for maintaining a secure environment.