CVE-2017-2185 in Home Spot Cube2
Summary
by MITRE
HOME SPOT CUBE2 firmware V101 and earlier allows authenticated attackers to execute arbitrary OS commands via WebUI.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 12/31/2020
The vulnerability identified as CVE-2017-2185 affects the HOME SPOT CUBE2 firmware version 101 and earlier, presenting a critical security risk that enables authenticated attackers to execute arbitrary operating system commands through the web user interface. This flaw represents a severe privilege escalation vulnerability that undermines the device's security posture and exposes network infrastructure to potential compromise. The vulnerability exists within the web-based management interface of the device, which is designed to allow authorized users to configure and manage network settings, but fails to properly validate or sanitize user input parameters.
The technical implementation of this vulnerability stems from insufficient input validation within the web interface components that process user-supplied data. When authenticated users interact with specific administrative functions through the web UI, the firmware fails to properly sanitize or escape input parameters before using them in system command executions. This creates a command injection vulnerability where attacker-controlled input can be interpreted and executed as legitimate system commands by the underlying operating system. The flaw operates at the application layer and leverages the trust relationship between the authenticated user and the device's web interface, making exploitation relatively straightforward for attackers who have gained legitimate access credentials.
From an operational impact perspective, this vulnerability poses significant risks to network security and device integrity. An authenticated attacker who gains access to the device's web interface can execute arbitrary commands with the privileges of the web server process, potentially leading to complete device compromise, data exfiltration, or use as a pivot point for further network infiltration. The vulnerability affects devices that are commonly deployed in residential and small office environments, making them attractive targets for attackers seeking to establish persistent access or launch broader network attacks. The exposure of this vulnerability through the web UI interface means that attackers can exploit it remotely, potentially without requiring physical access to the device.
The security implications extend beyond immediate device compromise to encompass broader network security concerns. This vulnerability aligns with CWE-77 and CWE-78 categories related to command injection flaws, which are frequently targeted by attackers in the context of the MITRE ATT&CK framework under techniques such as command and scripting interpreter. Organizations should implement immediate mitigations including firmware updates to versions that address the command injection vulnerability, network segmentation to limit access to administrative interfaces, and monitoring for suspicious command execution patterns. Additionally, implementing strong authentication controls, regular security assessments, and maintaining up-to-date security patches are essential defensive measures to protect against similar vulnerabilities in network infrastructure devices. The vulnerability demonstrates the critical importance of input validation and secure coding practices in embedded systems and web interfaces to prevent attackers from exploiting authenticated access to execute malicious code.