CVE-2019-18295 in SPPA-T3000 MS3000 Migration Server
Summary
by MITRE
A vulnerability has been identified in SPPA-T3000 MS3000 Migration Server (All versions). An attacker with network access to the MS3000 Server could trigger a Denial-of-Service condition and potentially gain remote code execution by sending specifically crafted packets to port 5010/tcp. This vulnerability is independent from CVE-2019-18289, CVE-2019-18293, and CVE-2019-18296. Please note that an attacker needs to have network access to the MS3000 in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.
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Analysis
by VulDB Data Team • 03/11/2024
The vulnerability identified as CVE-2019-18295 affects the SPPA-T3000 MS3000 Migration Server, a critical component in industrial automation and process control systems. This device serves as a migration server facilitating the transition of process control applications from older to newer system architectures within industrial environments. The vulnerability resides in the server's handling of network communications on port 5010/tcp, which is designated for specific migration protocols. The affected system operates within industrial control networks where reliability and security are paramount, making this vulnerability particularly concerning for operational technology environments. The MS3000 Migration Server represents a crucial bridge in industrial process automation, connecting legacy systems with modern control infrastructure, thereby increasing its attack surface and potential impact.
The technical flaw manifests through improper input validation and memory handling within the server's network protocol implementation. When specifically crafted packets are transmitted to port 5010/tcp, the system fails to properly validate the incoming data structure, leading to a condition where the server becomes unresponsive or crashes entirely. This vulnerability allows for both denial-of-service conditions and potential remote code execution capabilities, representing a severe security flaw that could disrupt industrial processes. The root cause aligns with CWE-121, heap-based buffer overflow, and CWE-122, stack-based buffer overflow, as the system does not adequately validate packet contents before processing them. The vulnerability exploits a weakness in the input sanitization mechanisms, where malformed network data triggers memory corruption that can be leveraged for arbitrary code execution. This type of vulnerability is particularly dangerous in industrial environments where continuous operation is critical for safety and production.
The operational impact of CVE-2019-18295 extends beyond simple service disruption to potentially compromise entire industrial control systems. In process control environments, the MS3000 Migration Server often serves as a gateway for critical data transfers between different control system generations, making it a strategic target for attackers seeking to disrupt production processes. A successful exploitation could lead to extended downtime, production losses, and potential safety hazards in environments where process control systems manage hazardous materials or critical infrastructure. The vulnerability's impact is amplified by its potential for remote code execution, which means that attackers could gain full control over the migration server and potentially use it as a launch point for attacks against other systems within the industrial network. This scenario aligns with ATT&CK technique T1071.004, Application Layer Protocol: DNS, and T1105, Remote File Copy, as attackers could leverage the compromised system to establish persistence and move laterally within the industrial network.
Mitigation strategies for this vulnerability require immediate attention from industrial organizations and system administrators. The primary recommendation involves applying the vendor-provided security patches as soon as they become available, as these updates typically address the input validation flaws that enable the vulnerability. Network segmentation and access controls should be implemented to restrict access to port 5010/tcp to only authorized personnel and systems, reducing the attack surface. Organizations should also implement network monitoring solutions capable of detecting anomalous traffic patterns on the affected port, as the malicious packets may be detectable through behavioral analysis. Additional protective measures include disabling unnecessary services, implementing firewall rules to block external access to the migration server, and conducting regular security assessments of industrial control systems. The vulnerability demonstrates the importance of maintaining up-to-date security patches in industrial environments, as the lack of timely updates can leave critical infrastructure exposed to known threats. Security teams should also consider implementing intrusion detection systems specifically configured to identify and alert on traffic patterns associated with this vulnerability, ensuring that any exploitation attempts are quickly detected and responded to.