CVE-2019-11224 in AMX MVP5150
Summary
by MITRE
HARMAN AMX MVP5150 v2.87.13 devices allow remote OS Command Injection.
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Analysis
by VulDB Data Team • 09/19/2023
The CVE-2019-11224 vulnerability affects HARMAN AMX MVP5150 devices running firmware version 2.87.13, presenting a critical remote operating system command injection flaw that enables attackers to execute arbitrary commands on the affected device. This vulnerability resides within the device's web interface handling of user input parameters, specifically in the way the system processes and validates command inputs without proper sanitization or input validation mechanisms. The flaw allows remote attackers to inject malicious commands through specially crafted HTTP requests that are then executed with the privileges of the web server process, potentially compromising the entire device and its network environment.
The technical exploitation of this vulnerability occurs when an attacker sends malformed HTTP requests containing OS commands to the device's web management interface. The device fails to properly sanitize user-supplied input parameters, allowing command injection attacks to succeed. This type of vulnerability falls under CWE-77 which specifically addresses command injection flaws in software applications. The vulnerability enables attackers to execute arbitrary code with the privileges of the web server process, which typically runs with elevated permissions. Attackers can leverage this weakness to gain unauthorized access to the device, potentially leading to complete system compromise, data exfiltration, or use of the device as a pivot point for further network attacks.
The operational impact of CVE-2019-11224 extends beyond immediate device compromise, as these devices are commonly deployed in enterprise environments for audiovisual control and management. The affected MVP5150 devices are typically used in conference rooms, lecture halls, and other collaborative spaces where they control lighting, audio systems, and video equipment. When compromised, these devices can serve as entry points for attackers to gain access to larger network infrastructures, potentially enabling lateral movement and persistent access to sensitive corporate environments. The vulnerability affects not just individual devices but entire installations, as attackers can exploit this weakness to compromise multiple devices within the same network segment. This makes the vulnerability particularly dangerous in enterprise settings where these devices are often interconnected and managed through centralized control systems.
Mitigation strategies for CVE-2019-11224 should include immediate firmware updates from HARMAN to address the command injection vulnerability, along with network segmentation to isolate affected devices from critical network segments. Organizations should implement network monitoring to detect suspicious command execution patterns and establish strict access controls for device management interfaces. The vulnerability aligns with ATT&CK technique T1059.001 for command and scripting interpreter, where adversaries execute commands through legitimate system interfaces. Additionally, implementing input validation, output encoding, and proper access controls can help prevent exploitation of similar vulnerabilities. Security teams should also consider implementing web application firewalls to detect and block malicious requests targeting the affected device interfaces, and establish regular vulnerability assessment programs to identify and remediate similar weaknesses in other networked devices.