CVE-2018-19950 in Music Station
Summary
by MITRE • 11/02/2020
If exploited, this command injection vulnerability could allow remote attackers to execute arbitrary commands. This issue affects: QNAP Systems Inc. Music Station versions prior to 5.1.13; versions prior to 5.2.9; versions prior to 5.3.11.
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Analysis
by VulDB Data Team • 12/01/2020
This command injection vulnerability in QNAP Systems Inc. Music Station represents a critical security flaw that enables remote attackers to execute arbitrary commands on affected systems. The vulnerability stems from insufficient input validation and sanitization within the application's processing of user-supplied data, particularly in parameters related to music library management and network operations. Attackers can exploit this weakness by crafting malicious input that gets directly executed as system commands, bypassing normal authentication and authorization mechanisms. The affected versions span multiple release branches including 5.1.13, 5.2.9, and 5.3.11, indicating a widespread issue that impacts a significant portion of the user base. This type of vulnerability falls under CWE-77, Command Injection, which is classified as a high-risk category due to its potential for complete system compromise.
The operational impact of this vulnerability extends beyond simple unauthorized command execution, as it provides attackers with the capability to manipulate the entire music station environment. Remote exploitation allows threat actors to gain persistent access to the system, potentially leading to data exfiltration, system modification, or further lateral movement within network infrastructure. The vulnerability's remote nature eliminates the need for physical access or local network presence, making it particularly dangerous for enterprise environments where such systems may be exposed to external networks. This weakness aligns with ATT&CK technique T1059.001, Command and Scripting Interpreter, where adversaries execute commands through various interpreters. The attack surface is further expanded as music station systems often contain sensitive user data, including personal music collections, user credentials, and potentially network configuration information that could be leveraged for additional attacks.
Organizations utilizing affected QNAP Music Station versions face significant risk of unauthorized system compromise, with potential consequences ranging from data theft to complete system takeover. The vulnerability's presence in multiple version streams suggests that patch management processes may have been inadequate, leaving systems exposed for extended periods. Security teams should prioritize immediate remediation through official firmware updates provided by QNAP, while implementing network segmentation to limit exposure. Additional mitigations include monitoring for unusual network traffic patterns, implementing web application firewalls to detect malicious input patterns, and conducting thorough vulnerability assessments to identify other potentially affected systems within the organization. The incident highlights the critical importance of maintaining up-to-date security patches and proper input validation mechanisms in networked applications, as command injection vulnerabilities remain among the most prevalent and dangerous classes of software flaws in enterprise environments.