CVE-2018-8866 in VGo Robot
Summary
by MITRE
In Vecna VGo Robot versions prior to 3.0.3.52164, an attacker on an adjacent network could perform command injection.
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Analysis
by VulDB Data Team • 02/04/2020
The vulnerability identified as CVE-2018-8866 affects Vecna VGo Robot systems running versions earlier than 3.0.3.52164, presenting a critical command injection flaw that can be exploited by adversaries within an adjacent network segment. This vulnerability represents a significant security weakness that undermines the integrity and confidentiality of robotic systems designed for enterprise and healthcare environments. The affected devices are typically deployed in controlled settings where network isolation is expected, but the presence of command injection capabilities allows unauthorized users to execute arbitrary commands on the affected systems.
The technical flaw stems from insufficient input validation and sanitization within the robot's network communication interfaces, particularly in how the system processes user-supplied data. Attackers can craft malicious inputs that bypass normal security controls and inject command sequences directly into the robot's operating system. This vulnerability falls under the CWE-77 category of Command Injection, which is classified as a critical weakness in software security where untrusted data is directly interpreted as executable commands. The specific implementation allows for remote code execution through network-based attacks that do not require authentication, making the exploitation particularly dangerous in environments where physical security measures may be insufficient.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass complete system compromise and potential data breaches. An attacker who successfully exploits this vulnerability can gain full administrative control over the robot, potentially using it as a pivot point for further attacks within the network infrastructure. The compromised robot could be used to monitor network traffic, exfiltrate sensitive information, or serve as a platform for launching attacks against other connected systems. This threat is particularly concerning in healthcare environments where patient data is stored and transmitted, as the robot's compromise could lead to violations of regulations such as HIPAA and other data protection frameworks.
Mitigation strategies for CVE-2018-8866 should prioritize immediate deployment of the vendor-provided patch version 3.0.3.52164, which addresses the input validation deficiencies. Network segmentation and access controls should be implemented to limit adjacent network access to only authorized personnel and systems. The principle of least privilege should be enforced, ensuring that the robot's network services operate with minimal required permissions. Additionally, network monitoring should be enhanced to detect anomalous command execution patterns and unauthorized network access attempts. Organizations should also consider implementing intrusion detection systems and regular vulnerability assessments to identify similar weaknesses in their robotic infrastructure. This vulnerability aligns with ATT&CK techniques related to command and control operations and privilege escalation, emphasizing the need for comprehensive security controls beyond simple patch management. The incident highlights the importance of securing Internet of Things devices and robotic systems that are often overlooked in traditional cybersecurity assessments but represent significant attack vectors in modern enterprise environments.