Remote Code Execution in openPDC via Deserialization

Executive Summary

This vulnerability involves a service console interface in openPDC and openHistorian that deserializes client-supplied data structures. On systems without Windows Authentication, unauthenticated attackers can exploit this to trigger deserialization of arbitrary objects, leading to remote code execution under the service account's privileges.

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Detection Guidance

Detection requires checking for unauthorized deserialization attempts in openPDC or openHistorian service logs. Monitor for unexpected network traffic to the service console interface ports. Inspect Windows event logs for unusual process executions under the service account. No specific commands are provided in the context.

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Impact Analysis

An attacker could gain control of the affected system by executing arbitrary code, potentially leading to data breaches, service disruption, or further network compromise. The impact depends on the privileges of the service account running the vulnerable software.

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Compliance Impact

This vulnerability could lead to unauthorized access or data exfiltration, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance penalties, legal liabilities, and reputational damage if exploited.

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Mitigation Strategies

Disable Windows Authentication if not required. Restrict network access to the service console interface. Apply vendor patches if available. Monitor for unusual deserialization activity in logs.

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