CVE-2019-18864 in Remote Kiln Control
Summary
by MITRE
/server-info and /server-status in Blaauw Remote Kiln Control through v3.00r4 allow an unauthenticated attacker to gain sensitive information about the host machine.
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Analysis
by VulDB Data Team • 05/08/2020
The vulnerability identified as CVE-2019-18864 affects the Blaauw Remote Kiln Control software version 3.00r4 and earlier, presenting a critical information disclosure risk through exposed administrative endpoints. This flaw resides within the web interface components that provide server information and status monitoring capabilities, which are accessible without authentication requirements. The affected endpoints /server-info and /server-status represent a significant security oversight that allows any remote attacker to obtain detailed system information without proper authorization, potentially exposing sensitive infrastructure details that could facilitate further attacks.
The technical implementation of this vulnerability stems from inadequate access control mechanisms within the web application framework. These endpoints were designed to provide diagnostic information for authorized administrators but failed to implement proper authentication checks or access restrictions. The flaw represents a classic case of insecure direct object reference vulnerability, where the application exposes internal system details through predictable URL patterns that do not require valid credentials for access. This misconfiguration allows attackers to gather information about the underlying operating system, server configuration, running processes, and potentially network topology details that could be leveraged in subsequent exploitation phases.
From an operational impact perspective, this vulnerability creates a significant risk for industrial control systems and manufacturing environments where Blaauw Remote Kiln Control is deployed. The exposed information could reveal critical infrastructure details including server version information, operating system specifics, running services, and potentially network configuration data. Attackers could use this intelligence to tailor more sophisticated attacks targeting known vulnerabilities in specific software versions or to map the network environment for lateral movement. The lack of authentication requirements means that this information disclosure occurs instantaneously without any detection, making it particularly dangerous for operational technology environments where system integrity and security are paramount.
Security practitioners should recognize this vulnerability as aligned with CWE-200, which addresses information exposure, and it demonstrates characteristics consistent with ATT&CK technique T1082 for system information discovery. Organizations utilizing this software should implement immediate mitigations including disabling or restricting access to these endpoints through web server configuration, implementing proper authentication mechanisms, or applying network segmentation to limit access to these administrative interfaces. The vulnerability underscores the importance of conducting regular security assessments of industrial control systems and highlights the need for robust access controls even in specialized applications that may not receive the same security scrutiny as general-purpose web applications. Additionally, this issue emphasizes the critical requirement for proper security hardening of all network-accessible components in industrial environments where operational technology systems may be exposed to external network threats without adequate protective measures.