CVE-2019-18291 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-2019-18292, CVE-2019-18294, 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-2019-18291 affects the SPPA-T3000 MS3000 Migration Server, a critical component in industrial automation and control systems used primarily in power generation and process control environments. This device serves as a migration server facilitating data transfer and system integration within complex industrial networks, making it a potential target for adversaries seeking to disrupt critical infrastructure operations. The vulnerability manifests as a denial-of-service condition that can be triggered through network-based attacks, representing a significant risk to operational continuity in industrial settings where system availability is paramount.
The technical flaw resides in the server's handling of network packets sent to port 5010/tcp, which is the designated communication port for the MS3000 Migration Server. Attackers can exploit this weakness by crafting and transmitting specially formatted packets that cause the server to become unresponsive or crash entirely. This type of vulnerability falls under CWE-129, Input Validation, and more specifically represents a buffer overflow or input processing error that occurs during packet parsing. The vulnerability's exploitation requires network access to the target server, indicating that it operates at the network layer and can be leveraged from external network positions, though the exact network topology requirements remain unspecified in the advisory.
The operational impact of this vulnerability extends beyond simple service disruption, as the MS3000 Migration Server plays a crucial role in maintaining system integrity and data flow within industrial control environments. When compromised, the denial-of-service condition can result in complete system unavailability, potentially leading to production halts, safety system failures, or cascading effects throughout interconnected industrial processes. The vulnerability's independence from other related CVEs suggests it represents a distinct code path or implementation flaw, making it particularly concerning as it may indicate broader architectural weaknesses in the server's network handling mechanisms. Organizations relying on this equipment face potential operational risks that could affect power generation, process control, or other mission-critical functions where continuous operation is essential.
Mitigation strategies for CVE-2019-18291 should focus on network segmentation and access controls to limit exposure of the vulnerable server to untrusted networks. Implementing firewall rules to restrict access to port 5010/tcp from only authorized networks and devices represents a primary defensive measure. Network monitoring should be enhanced to detect anomalous packet patterns that might indicate exploitation attempts, while regular security assessments should verify that access controls remain effective. According to ATT&CK framework, this vulnerability aligns with T1499.004 - Endpoint Denial of Service, which emphasizes the importance of protecting network services from malformed packet attacks. Organizations should also consider implementing network intrusion detection systems to identify potential exploitation attempts and maintain updated security patches from the vendor to address the underlying implementation flaw in the packet processing logic. The lack of known public exploitation at the time of advisory publication does not diminish the importance of proactive mitigation, as such vulnerabilities often become targets for advanced persistent threat actors seeking to establish long-term access to critical infrastructure networks.