CVE-2019-18293 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-2019-18295, 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-2019-18293 affects the SPPA-T3000 MS3000 Migration Server, a critical component in industrial automation systems used for migrating and managing process control data. This device operates within the industrial control systems (ICS) domain, specifically designed for process automation environments where reliability and security are paramount. The vulnerability exists in the server's handling of network communications on port 5010/tcp, which serves as the primary communication channel for migration operations and system management functions. The MS3000 server is typically deployed in critical infrastructure environments including power generation, oil and gas, and manufacturing facilities where operational technology (OT) systems require secure and stable operation. The vulnerability represents a significant risk to industrial control environments as it provides an attack vector that could disrupt critical operations and potentially compromise the integrity of industrial processes.
The technical flaw manifests through improper input validation and memory handling within the server's network protocol implementation. When specifically crafted packets are sent to the designated port 5010/tcp, the system fails to properly validate the incoming data structure, leading to potential buffer overflows or memory corruption conditions. This vulnerability stems from inadequate sanitization of network input, allowing an attacker to construct malicious payloads that exploit the server's parsing logic. The attack vector requires network access to the target server, indicating that the vulnerability is not exploitable from external networks without proper access to the internal industrial network segments. The lack of authentication requirements for the vulnerable port suggests that the system may be configured with minimal security controls, making it susceptible to exploitation by attackers who gain access to the network segment. This flaw aligns with CWE-121, which describes heap-based buffer overflow conditions, and represents a classic example of insufficient input validation in network services.
The operational impact of this vulnerability extends beyond simple denial-of-service conditions to potentially enable remote code execution, creating a serious threat to industrial control systems. When exploited successfully, the vulnerability could allow attackers to execute arbitrary code on the target system, potentially leading to complete system compromise. The implications for industrial environments are particularly severe as such compromises could disrupt critical processes, alter operational parameters, or provide attackers with persistent access to the industrial network. The vulnerability's independence from related CVEs (CVE-2019-18289, CVE-2019-18295, and CVE-2019-18296) indicates that it represents a distinct attack surface requiring separate mitigation strategies. The fact that no public exploitation was known at the time of advisory publication does not diminish the severity, as industrial control systems often remain unpatched for extended periods due to operational constraints and the complexity of updating critical infrastructure components. This vulnerability fits within the ATT&CK framework under the T1190 technique for Exploit Public-Facing Application, specifically targeting industrial control systems through network-based attacks.
Mitigation strategies for CVE-2019-18293 should focus on network segmentation and access control measures to prevent unauthorized access to the MS3000 server. Organizations should implement strict network access controls using firewalls and access control lists to restrict access to port 5010/tcp to only authorized personnel and systems. Network segmentation should isolate industrial control systems from general corporate networks to reduce attack surface exposure. The recommended approach includes applying vendor-provided security patches as soon as they become available, though the nature of industrial systems may require careful testing and validation before deployment. Additional protective measures should include network monitoring and intrusion detection systems configured to identify suspicious traffic patterns on port 5010/tcp. Organizations should also consider implementing network access control solutions that can authenticate and authorize network access based on device identity and user credentials. The vulnerability highlights the importance of maintaining up-to-date security measures for industrial control systems and demonstrates the need for comprehensive security assessments of OT environments to identify and remediate similar vulnerabilities. Regular security audits and vulnerability assessments should be conducted to ensure that industrial systems maintain appropriate security postures against evolving threats.