CVE-2023-45038 Scanner

Music Station is a feature-rich multimedia application developed by QNAP to manage and stream music collections. It is typically used by individuals and businesses operating QNAP NAS devices to organize and enjoy audio files. The software extends its utility by supporting various music formats and enabling remote streaming. Businesses find it valuable as it integrates seamlessly into the NAS environment, offering centralized music management and distribution. It also provides users with capabilities to create playlists, stream music to different devices, and manage their music library efficiently. Organizations and music enthusiasts use this application widely to cater to diverse audio management needs.

Improper authentication vulnerabilities, like the one affecting Music Station, occur when an application does not adequately verify users' identities before granting access to resources. This vulnerability can compromise system security, as unauthorized access by attackers can occur. Exploiting such a vulnerability involves bypassing existing authentication controls, potentially gaining access to privileged areas or data of the application. The vulnerability in Music Station could be especially critical if sensitive or personal audio files are exposed. Remediation of such vulnerabilities typically involves enhancing authentication mechanisms to ensure proper user validation. Systems with these vulnerabilities remain at risk of unauthorized data access if not properly managed.

Technical details of the vulnerability in Music Station reveal that it stems from insufficient authentication checks at specific endpoints. The exploitable endpoint in this instance is '/musicstation/api/as_get_file_api.php' using a POST request. The vulnerability allows attackers to manipulate parameters such as 'ssid', 'songid', and 'tt' to gain unauthorized file access. The use of certain tools can aid attackers in intercepting these HTTP requests to exploit this flaw. Attackers aim to capture critical files like 'passwd' by making requests that the system cannot adequately differentiate from legitimate ones. The vulnerable parameter in the application API lacks rigorous controls to verify the legitimacy of the user's session.

Exploitation of improper authentication could allow attackers unauthorized access to the system's data. In the worst-case scenario, sensitive files on the affected NAS storage could be exposed or altered. Users may lose control over their music files, leading to a compromise in the integrity and confidentiality of data. Organizations relying on Music Station for music management may find their operations disrupted by such unauthorized access. Moreover, unauthorized users exploiting this vulnerability may upload or download unauthorized content. Vulnerabilities like this undermine trust in the application's security because restricted data should only be accessed by authenticated users.

REFERENCES

• https://www.qnap.com/en/security-advisory/qsa-24-25
• https://karzemrok.com/qnap-qsa-24-25
• https://nvd.nist.gov/vuln/detail/CVE-2023-45038