CVE-2019-18310 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 7061/tcp. This vulnerability is independent from CVE-2019-18311. 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.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 03/11/2024
The vulnerability identified as CVE-2019-18310 affects the SPPA-T3000 MS3000 Migration Server, a critical component in industrial automation and control systems. This device serves as a migration server for transferring data and configurations between different system versions, making it a potential target for attackers seeking to disrupt industrial operations. The vulnerability specifically resides in the server's handling of network communications on port 7061/tcp, which is designated for migration server operations. The affected system operates within industrial control environments where reliability and continuous operation are paramount, making any denial-of-service condition particularly dangerous as it could lead to production halts or operational failures.
The technical flaw manifests as a lack of proper input validation and error handling within the network protocol implementation. An attacker can exploit this weakness by sending specifically crafted packets to the designated port, which triggers an unhandled exception or resource exhaustion condition within the server application. This type of vulnerability falls under CWE-129, Input Validation, and CWE-248, Unhandled Exception, as the system fails to properly validate incoming data and does not handle malformed inputs gracefully. The vulnerability is particularly concerning because it requires minimal privileges to exploit - only network access to the target system, which can be achieved through various means including network sniffing, port scanning, or lateral movement within compromised networks. The attack vector is classified as network-based with no authentication requirements, making it accessible to attackers who can reach the target system over the network.
The operational impact of this vulnerability extends beyond simple service disruption, as the MS3000 Migration Server plays a crucial role in maintaining system integrity during upgrades and migrations. When exploited, the denial-of-service condition can interrupt critical migration processes, potentially leaving systems in inconsistent states or preventing necessary updates from completing successfully. In industrial environments, this could result in extended downtime, production losses, and increased maintenance costs. The vulnerability's independence from CVE-2019-18311 indicates that it represents a distinct attack surface, requiring separate mitigation strategies. Organizations using this software must consider the potential for cascading failures, as a compromised migration server could affect multiple connected systems that depend on successful data transfers and configuration updates.
Mitigation strategies should focus on network segmentation and access control measures to limit exposure of the vulnerable port to authorized users only. Implementing firewall rules to restrict access to port 7061/tcp from trusted network segments only can significantly reduce the attack surface. Network monitoring should be enhanced to detect unusual traffic patterns or malformed packets targeting this specific port. Additionally, system administrators should consider implementing intrusion detection systems that can identify and alert on suspicious network activity related to the migration server. The vulnerability aligns with ATT&CK technique T1499.004, Network Denial of Service, and T1071.004, Application Layer Protocol, as it exploits network protocols to achieve service disruption. Regular security updates and patches should be applied as soon as they become available from the vendor, while organizations should also conduct thorough network assessments to identify all instances of the vulnerable software and ensure proper network access controls are in place to prevent unauthorized access to industrial control systems.