CVE-2019-18300 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 can 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-2019-18294, CVE-2019-18298, CVE-2019-18299, 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.
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Analysis
by VulDB Data Team • 03/11/2024
The vulnerability identified as CVE-2019-18300 affects the SPPA-T3000 MS3000 Migration Server, a critical component in industrial automation and control systems. This device serves as a migration server facilitating data transfer and system integration within power generation and industrial control environments. The affected system operates on version-agnostic software, indicating the flaw exists across all iterations of the MS3000 Migration Server implementation. The vulnerability represents a significant concern for operational technology environments where system availability directly impacts industrial processes and safety protocols. Industrial control systems often operate in closed networks with limited segmentation, making such denial-of-service vulnerabilities particularly dangerous as they can disrupt critical infrastructure operations without requiring sophisticated attack vectors.
The technical flaw manifests through a specific network-based attack vector targeting port 5010/tcp which is designated for the Migration Server's communication protocol. An attacker capable of sending specially crafted packets to this designated port can trigger a denial-of-service condition that effectively renders the server unavailable to legitimate users. This vulnerability operates at the network protocol level, suggesting the flaw exists in how the server processes incoming packets or handles specific data structures within the communication protocol. The vulnerability's independence from multiple related CVE identifiers indicates it represents a distinct code path or processing mechanism within the software implementation, making it particularly concerning as it operates outside of known exploitation patterns. The attack requires only network access to the target system, eliminating the need for physical presence or specialized credentials, which aligns with the growing trend of remote exploitation in industrial control systems.
The operational impact of this vulnerability extends beyond simple service disruption, potentially affecting entire industrial processes that depend on the Migration Server for data migration and system integration. In power generation environments, such as those utilizing SPPA-T3000 systems, the disruption could lead to extended downtime for critical operations, affecting power generation capacity and potentially impacting grid stability. The vulnerability's exploitation does not require authentication or elevated privileges, making it accessible to attackers with minimal access to the network segment containing the target device. This characteristic places the vulnerability in the ATT&CK framework category of "Network Service Scanning" and "Denial of Service" techniques, where adversaries can leverage publicly accessible network services to compromise system availability. The lack of known public exploitation at the time of disclosure suggests this vulnerability was likely discovered through systematic security analysis rather than active exploitation in the wild.
Mitigation strategies for CVE-2019-18300 should focus on network segmentation and access control measures to limit exposure of the affected Migration Server to unauthorized network access. Implementing network access control lists to restrict traffic to port 5010/tcp to only trusted network segments provides the most effective immediate protection. The industrial control system environment should maintain strict network segmentation practices, ensuring that critical devices operate in isolated network zones with minimal external access. Regular network monitoring and intrusion detection system deployment can help identify anomalous packet patterns that might indicate exploitation attempts. Organizations should also consider implementing network-based firewalls or security appliances that can inspect traffic on port 5010/tcp and filter out malformed or suspicious packets. The vulnerability's nature suggests that patching the software implementation or implementing protocol-level controls to properly validate incoming packets would provide permanent resolution, aligning with CWE-119 which addresses improper access to memory and CWE-134 which covers format string vulnerabilities. Additionally, implementing robust network monitoring and incident response procedures ensures rapid detection and response to potential exploitation attempts.