CVE-2019-18306 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-2019-18294, CVE-2019-18298, CVE-2019-18299, CVE-2019-18300, CVE-2019-18301, CVE-2019-18302, CVE-2019-18303, CVE-2019-18304, CVE-2019-18305, 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-2019-18306 affects the SPPA-T3000 MS3000 Migration Server, a critical component in industrial automation 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. The vulnerability manifests as a denial-of-service condition that can be triggered through network-based attacks targeting the server's communication protocols. The specific port 5010/tcp represents the attack surface where malicious packets can be crafted to disrupt normal server operations, potentially leading to significant operational disruptions in critical infrastructure environments. The affected system operates within the industrial control systems (ICS) domain, where reliability and continuous operation are paramount for safety and production continuity.
The technical flaw resides in the insufficient input validation and error handling mechanisms within the MS3000 Migration Server's network protocol implementation. When the server receives specifically crafted packets on port 5010/tcp, it fails to properly process or sanitize the incoming data, leading to a system crash or resource exhaustion that results in denial-of-service conditions. This vulnerability represents a classic buffer overflow or input validation weakness that allows attackers to manipulate the server's normal operation through carefully constructed network traffic. The attack vector requires network access to the target system, meaning that physical security controls and network segmentation play crucial roles in preventing exploitation. This particular vulnerability is distinct from several related issues within the same product line, indicating that while multiple vulnerabilities exist, each requires specific exploitation techniques and does not compound into a single unified attack vector.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise the integrity of industrial control systems that depend on continuous operation. In power generation environments, such denial-of-service conditions could lead to extended outages, production delays, or safety-critical system failures that might require extensive manual intervention to restore normal operations. The vulnerability affects all versions of the SPPA-T3000 MS3000 Migration Server, suggesting that organizations running these systems across multiple facilities may face widespread exposure without proper mitigation measures. The attack requires network access to the server, which means that organizations with proper network segmentation and access controls may be partially protected, but the risk remains significant for systems that lack adequate perimeter defenses or require direct network access for maintenance operations.
Organizations should implement immediate network segmentation measures to isolate the affected MS3000 Migration Servers from general network access, particularly when the servers are not directly required for external communications. Network access control lists should be configured to restrict access to port 5010/tcp to only authorized personnel and systems, while also implementing network monitoring to detect anomalous traffic patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-122, which describes buffer overflow conditions that can lead to denial-of-service scenarios, and represents a typical attack pattern that would be catalogued under the ATT&CK framework's initial access and execution phases. System administrators should also consider implementing intrusion detection systems capable of identifying crafted packets targeting this specific port, and regular security assessments should be conducted to verify that proper access controls are in place. The lack of known public exploitation at the time of advisory publication does not diminish the risk, as such vulnerabilities often become targets for advanced persistent threat actors once they become known within security communities.