CVE-2007-1319 in Devicexplorer Opc Server
Summary
by MITRE
Unspecified vulnerability in the IOPCServer::RemoveGroup function in the OPCDA interface in Takebishi Electric DeviceXPlorer OLE for Process Control (OPC) Server before 3.12 Build3 allows remote attackers to execute arbitrary code via unspecified vectors involving access to arbitrary memory. NOTE: this issue affects the (1) HIDIC, (2) MELSEC, (3) FA-M3, (4) MODBUS, and (5) SYSMAC OPC Servers.
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Analysis
by VulDB Data Team • 01/12/2025
The vulnerability described in CVE-2007-1319 represents a critical security flaw within the OPCDA interface of Takebishi Electric DeviceXPlorer OLE for Process Control OPC Server software. This issue specifically targets the IOPCServer::RemoveGroup function, which is part of the OPC (OLE for Process Control) standard implementation used extensively in industrial automation and control systems. The vulnerability affects multiple OPC server implementations including HIDIC, MELSEC, FA-M3, MODBUS, and SYSMAC variants, indicating a widespread impact across different industrial control platforms. The unspecified nature of the attack vectors suggests that multiple pathways could potentially exploit this memory access flaw, making it particularly dangerous for industrial environments where OPC servers serve as critical communication bridges between control systems and enterprise networks.
The technical flaw lies within the memory management practices of the IOPCServer::RemoveGroup function, which appears to lack proper input validation and memory boundary checking mechanisms. When remote attackers can manipulate the function parameters or trigger specific sequences that lead to arbitrary memory access, they can potentially execute arbitrary code on the affected system. This type of vulnerability typically falls under the category of memory corruption vulnerabilities, which are often classified as CWE-121 or CWE-122 depending on the specific memory access pattern. The vulnerability enables attackers to gain unauthorized code execution privileges, which can lead to complete system compromise and unauthorized access to industrial control processes. The OPCDA interface serves as a crucial communication layer between industrial control systems and higher-level applications, making this vulnerability particularly dangerous as it could allow attackers to manipulate industrial processes directly.
The operational impact of this vulnerability extends far beyond typical network security concerns, as it directly threatens the integrity and safety of industrial control systems. In industrial environments, OPC servers act as gateways between operational technology (OT) systems and information technology (IT) networks, making them prime targets for attackers seeking to gain access to critical infrastructure. The ability to execute arbitrary code remotely on these servers could enable attackers to modify control parameters, disrupt industrial processes, or even cause physical damage to equipment. This vulnerability aligns with ATT&CK techniques related to privilege escalation and persistence within industrial control systems, as attackers could use the code execution capability to establish long-term access to industrial networks. The widespread nature of the affected products means that organizations across multiple industrial sectors could be impacted, from manufacturing plants to power generation facilities.
Mitigation strategies for this vulnerability should focus on immediate remediation through software updates to version 3.12 Build3 or later, which contains the necessary patches to address the memory access flaw. Organizations should also implement network segmentation to isolate OPC servers from general enterprise networks, reducing the attack surface available to remote attackers. Additional protective measures include implementing strict access controls, monitoring network traffic for suspicious OPCDA communications, and conducting regular security assessments of industrial control systems. The vulnerability demonstrates the importance of secure coding practices in industrial software development and highlights the need for regular security updates in critical infrastructure components. Organizations should also consider implementing intrusion detection systems specifically designed for industrial protocols to identify potential exploitation attempts. Given the nature of industrial control environments, comprehensive incident response plans should be established to address potential compromise scenarios, as the impact of exploitation could extend beyond simple data theft to include operational disruption and safety hazards.