CVE-2019-6014 in DBA-1510P
Summary
by MITRE
DBA-1510P firmware 1.70b009 and earlier allows an attacker to execute arbitrary OS commands via Web User Interface.
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Analysis
by VulDB Data Team • 03/17/2024
The vulnerability identified as CVE-2019-6014 affects DBA-1510P network devices running firmware versions 1.70b009 and earlier, representing a critical command injection flaw that enables remote code execution through the web-based management interface. This vulnerability stems from insufficient input validation and sanitization within the device's web user interface components, creating an avenue for malicious actors to inject and execute arbitrary operating system commands on the affected device. The flaw exists in the firmware's handling of user-supplied parameters passed through web interface forms and API endpoints, where input data is directly incorporated into system commands without proper filtering or escaping mechanisms.
The technical implementation of this vulnerability involves the improper use of system call functions that concatenate user input directly with shell commands, creating a classic command injection scenario. Attackers can exploit this by crafting malicious payloads that include shell metacharacters and command separators such as semicolons, ampersands, or pipes, which are then interpreted by the underlying operating system. The vulnerability is particularly concerning because it operates at the application layer and can be exploited remotely without requiring authentication, making it accessible to any attacker who can reach the device's web interface. This weakness falls under the CWE-77 category of Command Injection, which is classified as a high-risk vulnerability due to its potential for complete system compromise.
From an operational impact perspective, successful exploitation of CVE-2019-6014 can result in full system compromise of the affected DBA-1510P devices, allowing attackers to execute arbitrary commands with the privileges of the web server process. This can lead to unauthorized access to network resources, data exfiltration, system modification, and potential use as a foothold for further network infiltration. The vulnerability affects devices that are commonly deployed in enterprise and industrial environments, where these devices may serve as critical infrastructure components. The remote nature of the exploit means that attackers can target these devices from outside the network perimeter, potentially leading to widespread compromise across multiple systems. According to ATT&CK framework, this vulnerability maps to T1059.001 (Command and Scripting Interpreter: PowerShell) and T1021.001 (Remote Services: Remote Desktop Protocol) as exploitation techniques that can be leveraged through command injection.
Mitigation strategies for CVE-2019-6014 should prioritize immediate firmware updates from the vendor to address the root cause of the vulnerability. Organizations should also implement network segmentation to limit access to management interfaces, employ web application firewalls to detect and block malicious command injection attempts, and conduct regular security assessments of network devices. The vulnerability highlights the importance of proper input validation and output encoding practices in web applications, as recommended by OWASP Top Ten and NIST cybersecurity guidelines. Additionally, implementing network monitoring solutions to detect unusual command execution patterns and establishing incident response procedures for device compromise are essential defensive measures. Security teams should also consider disabling unnecessary web management interfaces and restricting access to only trusted administrative networks to minimize the attack surface and reduce the likelihood of successful exploitation.