CVE-2019-7184 in QTS
Summary
by MITRE
This cross-site scripting (XSS) vulnerability in Video Station allows remote attackers to inject and execute scripts on the administrator�s management console. To fix this vulnerability, QNAP recommend updating Video Station to their latest versions.
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Analysis
by VulDB Data Team • 12/06/2019
This cross-site scripting vulnerability exists within QNAP's Video Station application, representing a critical security flaw that enables remote attackers to execute malicious scripts against administrator sessions. The vulnerability specifically targets the management console interface, creating a severe attack vector that could allow unauthorized individuals to gain elevated privileges and compromise the entire video surveillance system. The flaw stems from insufficient input validation and output encoding mechanisms within the application's web interface, allowing malicious payloads to be injected through user-controllable parameters.
The technical implementation of this XSS vulnerability leverages the application's failure to properly sanitize user inputs before rendering them in the web interface. Attackers can craft malicious script payloads that get executed in the context of the administrator's browser session, potentially leading to complete system compromise. This type of vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications. The attack surface is particularly dangerous because it targets administrative interfaces where attackers can gain access to sensitive configuration data, modify system settings, and potentially escalate privileges to full system control.
The operational impact of CVE-2019-7184 extends beyond simple script execution, as it provides attackers with the capability to manipulate video surveillance systems from remote locations. Administrators who access the management console through web browsers become vulnerable to session hijacking attacks, where malicious scripts can capture authentication tokens or redirect users to phishing sites. This vulnerability directly relates to ATT&CK technique T1566 which covers social engineering through malicious content delivery. Organizations using QNAP Video Station systems face significant risk of unauthorized access to surveillance footage, system configuration changes, and potential data exfiltration through this attack vector.
Security remediation for this vulnerability requires immediate implementation of QNAP's recommended software updates, which typically include enhanced input validation, proper output encoding, and improved sanitization routines for user-controllable data. Organizations should also implement network segmentation to limit access to administrative interfaces and deploy web application firewalls to detect and block malicious script injection attempts. The vulnerability demonstrates the critical importance of regular security updates and proper input validation in web applications. Additionally, implementing security headers such as Content Security Policy can provide additional protection against similar XSS attacks by restricting script execution sources and preventing unauthorized code injection in the browser environment.