CVE-2017-7638 : Security Advisory and Response

This CVE-2017-7638 article provides details about a vulnerability in the QNAP Media Streaming Add-On that could lead to unauthorized access and modification of settings, as well as potential exposure of sensitive information stored on QNAP NAS.

Understanding CVE-2017-7638

The vulnerability affects the Media Streaming add-on versions 421.1.0.2, 430.1.2.0, and earlier of the QNAP NAS application.

What is CVE-2017-7638?

The QNAP NAS application Media Streaming add-on versions 421.1.0.2, 430.1.2.0, and earlier do not properly authenticate requests, potentially allowing unauthorized access and modification of settings, and leakage of sensitive information.

The Impact of CVE-2017-7638

The vulnerability could result in unauthorized access to and modification of Media Streaming settings, as well as the potential exposure of sensitive information stored on the QNAP NAS.

Technical Details of CVE-2017-7638

The following technical details outline the vulnerability in the QNAP Media Streaming Add-On:

Vulnerability Description

Authentication requests are not properly validated in the affected versions of the Media Streaming add-on, leading to potential unauthorized access and modification of settings.

Affected Systems and Versions

Product: QNAP Media Streaming Add-On
Vendor: QNAP
Versions: 421.1.0.2, 430.1.2.0, and earlier

Exploitation Mechanism

The vulnerability allows attackers to exploit authentication weaknesses, gaining unauthorized access to Media Streaming settings and potentially exposing sensitive information stored on the QNAP NAS.

Mitigation and Prevention

To address CVE-2017-7638, consider the following mitigation strategies:

Immediate Steps to Take

Update the QNAP NAS application to the latest version that includes a fix for the authentication vulnerability.
Monitor and restrict access to the Media Streaming settings to authorized users only.

Long-Term Security Practices

Regularly review and update access control policies for NAS applications.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Apply security patches and updates provided by QNAP to address the authentication vulnerability in the Media Streaming add-on.