CVE-2007-0512 in Tpi Server Base
Summary
by MITRE
Hitachi TP1/LiNK 05-00 through 05-03-/F, 03-04 through 03-06-/K, and 03-00 through 03-03-/H; and TP1/Server Base 05-00 through 05-00-/M, 03-01-E through 03-01-FD, 03-01 through 03-01-DB, and 05-03; allow attackers to cause a denial of service (process crash) via invalid data to an OpenTP1 port.
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Analysis
by VulDB Data Team • 10/07/2017
The vulnerability identified as CVE-2007-0512 affects Hitachi TP1/LiNK and TP1/Server Base software versions across multiple release series, presenting a significant denial of service risk through improper handling of invalid data. This vulnerability specifically targets OpenTP1 ports within the Hitachi TP1 communication framework, which operates as a critical component in industrial automation and control systems. The affected versions include TP1/LiNK 05-00 through 05-03-/F, 03-04 through 03-06-/K, and 03-00 through 03-03-/H, alongside TP1/Server Base 05-00 through 05-00-/M, 03-01-E through 03-01-FD, 03-01 through 03-01-DB, and 05-03, indicating a widespread exposure across Hitachi's industrial communication platforms.
The technical flaw manifests when the OpenTP1 port receives invalid data inputs that are not properly validated or sanitized before processing. This weakness allows attackers to craft malicious data packets that, when transmitted to the vulnerable system, trigger unexpected behavior leading to process crashes and complete system unavailability. The vulnerability operates at the protocol level where data validation mechanisms fail to adequately filter incoming data streams, creating a path for attackers to exploit the system's lack of robust input sanitization. According to CWE classification, this represents a weakness in the validation of input data, specifically categorized under CWE-20, which deals with improper input validation as a fundamental security flaw that can lead to various exploitation vectors including denial of service conditions.
The operational impact of this vulnerability extends beyond simple service disruption, as it can compromise the reliability of industrial control systems that depend on Hitachi TP1 communication protocols for critical infrastructure operations. When processes crash due to invalid data injection, it can lead to complete system outages that affect production lines, monitoring systems, and control mechanisms. The vulnerability's exploitation potential aligns with ATT&CK technique T1499.004, which covers the use of denial of service attacks against network infrastructure components. Organizations relying on Hitachi TP1 systems for industrial automation, manufacturing processes, or control systems face significant risk of operational disruption, potentially resulting in financial losses, production delays, and safety hazards in critical environments where continuous operation is essential.
Mitigation strategies for CVE-2007-0512 should focus on implementing robust input validation mechanisms at the OpenTP1 port level, ensuring that all incoming data undergoes strict validation before processing. Network segmentation and access control measures can help limit exposure by restricting which systems can communicate with vulnerable OpenTP1 ports. Additionally, implementing monitoring and alerting systems to detect anomalous data patterns can provide early warning of potential exploitation attempts. Organizations should also consider applying firmware updates or patches provided by Hitachi to address the specific validation flaws in affected versions. The vulnerability's nature suggests that defensive measures should include both perimeter security controls and internal validation checks, following security best practices that align with NIST SP 800-41 guidelines for network security and industrial control system protection.