Denial of Service in Vanderbilt Acre SPC5300 Main Board

Executive Summary

This vulnerability involves a denial of service issue in Vanderbilt Industries Acre Security SPC5300.000 Main Board version 3.14.1. An attacker physically close to the device can send spoofed TCP FIN packets to disrupt its operation. These packets do not require validation of sequence or acknowledgment numbers, making the attack easier to execute.

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Detection Guidance

This vulnerability involves spoofed TCP FIN packets causing a denial of service. Detection may require network monitoring for unusual TCP FIN packets without proper sequence or acknowledgment validation. Use packet capture tools like tcpdump or Wireshark to inspect TCP traffic for anomalies. Example command: tcpdump -i any 'tcp[tcpflags] & (tcp-fin) != 0' to filter FIN packets.

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Impact Analysis

If you use the affected Vanderbilt Industries Acre Security SPC5300.000 Main Board, an attacker nearby could cause the device to stop functioning properly. This could lead to loss of access control, security monitoring disruptions, or other operational failures depending on the device's role in your system.

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Compliance Impact

This vulnerability allows a physically proximate attacker to cause a denial of service via spoofed TCP FIN packets without validating sequence or acknowledgment numbers. Such an attack could disrupt critical security or operational systems, potentially leading to unauthorized access or data exposure. Compliance with standards like GDPR or HIPAA may be affected if the attack results in data breaches or system unavailability impacting protected health or personal data.

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Mitigation Strategies

Implement network segmentation to isolate affected systems. Monitor network traffic for unusual TCP FIN packets targeting the SPC5300.000 Main Board. Update firmware to the latest version if available. Restrict physical access to the device to prevent spoofing attempts.

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