CVE-2019-18294 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 by sending specifically crafted packets to port 5010/tcp. This vulnerability is independent from CVE-2019-18290, CVE-2019-18291, CVE-2019-18292, CVE-2019-18298, CVE-2019-18299, CVE-2019-18300, CVE-2019-18301, CVE-2019-18302, CVE-2019-18303, CVE-2019-18304, CVE-2019-18305, CVE-2019-18306, and CVE-2019-18307. 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.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 03/11/2024
The vulnerability identified as CVE-2019-18294 affects the SPPA-T3000 MS3000 Migration Server, a critical component in industrial automation and control systems. This device serves as a migration server facilitating the transition of industrial processes and requires network connectivity for operational functions. The vulnerability resides specifically within the server's handling of network communications on port 5010/tcp, which is designated for the MS3000 Migration Server protocol. The affected system operates within industrial control environments where reliability and continuous operation are paramount, making any denial-of-service condition particularly concerning for operational technology infrastructure.
The technical flaw manifests as a lack of proper input validation and error handling within the network packet processing mechanism of the MS3000 Migration Server. When an attacker sends specifically crafted packets to the designated port 5010/tcp, the server fails to properly validate the incoming data structure and subsequently enters a state where it cannot process legitimate network requests. This condition effectively creates a denial-of-service scenario where the server becomes unresponsive to authorized users and legitimate operational traffic. The vulnerability is classified as a buffer overflow or input validation flaw under CWE-121, representing a classic security weakness where insufficient validation allows malformed data to cause system instability. The attack vector requires network access to the target system, indicating that this vulnerability exists within the network perimeter and cannot be exploited remotely without prior access to the network segment hosting the MS3000 server.
The operational impact of CVE-2019-18294 extends beyond simple service disruption to potentially compromise entire industrial processes that depend on the MS3000 Migration Server for data migration and system transitions. In industrial environments where continuous operation is critical, such as power generation, oil and gas processing, or manufacturing facilities, a denial-of-service condition can lead to production halts, safety system failures, or process control interruptions that may require manual intervention and system restarts. The vulnerability affects all versions of the SPPA-T3000 MS3000 Migration Server, indicating that organizations running this software across multiple installations may face widespread exposure. The fact that this vulnerability operates independently from other related CVEs suggests that organizations may have multiple attack vectors to consider in their security posture, particularly within industrial control systems where legacy devices often lack modern security features. From an ATT&CK framework perspective, this vulnerability maps to the T1499.004 technique related to network denial of service attacks, specifically targeting industrial control systems through protocol manipulation.
Mitigation strategies for CVE-2019-18294 should begin with immediate network segmentation to limit access to port 5010/tcp to only authorized personnel and systems. Organizations should implement network access control lists and firewall rules to restrict communication to this specific port from trusted IP addresses only, reducing the attack surface significantly. The most effective long-term solution involves applying the vendor-provided security patches or firmware updates that address the input validation issues within the MS3000 Migration Server software. Additionally, implementing network monitoring and anomaly detection systems can help identify unusual traffic patterns on port 5010/tcp that may indicate attempted exploitation of this vulnerability. Regular security assessments of industrial control systems should include vulnerability scanning specifically targeting industrial protocols and services, with particular attention to legacy systems that may not receive regular security updates. Organizations should also consider implementing intrusion detection systems specifically configured to monitor for patterns associated with industrial protocol attacks, as traditional network security tools may not adequately detect or respond to these specialized threats. The vulnerability's requirement for network access means that physical security measures and network access controls become critical components of the overall defense strategy, aligning with the principle of defense in depth as recommended by industrial security frameworks.