CVE-2019-18866 in Remote Kiln Control
Summary
by MITRE
Unauthenticated SQL injection via the username in the login mechanism in Blaauw Remote Kiln Control through v3.00r4 allows a user to extract arbitrary data from the rkc database.
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Analysis
by VulDB Data Team • 05/08/2020
The vulnerability CVE-2019-18866 represents a critical security flaw in the Blaauw Remote Kiln Control software version 3.00r4 and earlier, where an unauthenticated SQL injection attack can be executed through the username field during the login process. This vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection flaws that occur when user input is directly incorporated into SQL queries without proper sanitization or parameterization. The attack vector exploits the lack of input validation in the authentication mechanism, allowing malicious actors to manipulate the database queries executed by the system.
The technical implementation of this vulnerability occurs when the application processes user credentials during login without properly escaping or parameterizing the username input before incorporating it into database queries. An attacker can craft malicious input that alters the intended SQL query structure, potentially extracting sensitive information from the rkc database. This type of attack demonstrates the classic SQL injection pattern where user-supplied data is directly concatenated into SQL statements, bypassing normal authentication mechanisms and providing unauthorized access to database contents.
The operational impact of this vulnerability is severe as it allows attackers to bypass authentication entirely and gain access to the underlying database without requiring valid credentials. This exposure could lead to data exfiltration, database corruption, or further exploitation within the network. The vulnerability affects the integrity and confidentiality of the system's data, potentially exposing sensitive operational information related to kiln control processes, user accounts, and system configurations. Organizations relying on this software for industrial control systems face significant risk of operational disruption and potential safety hazards.
Mitigation strategies for this vulnerability include implementing proper input validation and parameterized queries to prevent SQL injection attacks, applying the latest security patches provided by the vendor, and implementing network segmentation to limit access to the affected system. Organizations should also consider implementing additional security controls such as web application firewalls and database activity monitoring to detect and prevent exploitation attempts. The vulnerability aligns with ATT&CK technique T1190, which describes exploitation of remote services through SQL injection, and represents a critical weakness in the application's input handling and authentication process that requires immediate remediation to prevent unauthorized access to industrial control systems.