CVE-2019-8389 : Exploit Details and Defense Strategies

Musicloud 1.6 contains a vulnerability in its Wi-Fi transfer feature that allows unauthorized access to sensitive files. Attackers can exploit this issue to retrieve files like /etc/passwd by manipulating crafted POST parameters.

Understanding CVE-2019-8389

This CVE entry highlights a file-read vulnerability in Musicloud 1.6, enabling attackers to access files through the Wi-Fi transfer service.

What is CVE-2019-8389?

The vulnerability in Musicloud 1.6's Wi-Fi transfer feature allows attackers on the same network to access sensitive files by manipulating POST parameters.

The Impact of CVE-2019-8389

Exploiting this vulnerability can lead to unauthorized access to critical system files, potentially compromising user privacy and system integrity.

Technical Details of CVE-2019-8389

Musicloud 1.6's Wi-Fi transfer vulnerability can be further understood through its technical aspects.

Vulnerability Description

The issue in Musicloud 1.6 allows attackers to create a publicly accessible archive containing requested files, such as /etc/passwd, by sending crafted POST parameters to the download.script endpoint.

Affected Systems and Versions

Affected Version: Musicloud 1.6
All systems running Musicloud 1.6 with the Wi-Fi transfer feature enabled are vulnerable.

Exploitation Mechanism

Attackers exploit the vulnerability by sending crafted POST parameters (downfiles and cur-folder) to the download.script endpoint with a payload designed to manipulate file paths.
The payload typically includes ../ to traverse directories and access sensitive files.

Mitigation and Prevention

Protecting systems from CVE-2019-8389 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the Wi-Fi transfer feature in Musicloud 1.6 to prevent unauthorized access to files.
Implement network segmentation to restrict access to sensitive services.

Long-Term Security Practices

Regularly update Musicloud to the latest version to patch known vulnerabilities.
Conduct security audits to identify and address potential security weaknesses in applications.

Patching and Updates

Apply patches provided by the vendor to address the Wi-Fi transfer vulnerability in Musicloud 1.6.