Unauthenticated UDP Packet Injection in MOOS essential-moos

Executive Summary

MOOS essential-moos through version 10.0.1 has an unauthenticated UDP packet injection flaw in pMOOSBridge when configured with UDPListen. Attackers can send specially crafted UDP packets to the configured port to inject arbitrary variables into the local MOOS community, spoofing source and community identifiers.

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Detection Guidance

To detect this vulnerability, monitor network traffic for unexpected UDP packets on the configured MOOS pMOOSBridge port. Use packet capture tools like tcpdump or Wireshark to inspect UDP traffic for spoofed source or community identifiers. Check MOOS logs for unauthorized variable injections or unexpected community changes.

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Impact Analysis

This vulnerability allows attackers to manipulate the MOOS community by injecting false data or commands, potentially disrupting operations or causing incorrect system behavior. Since it is unauthenticated, any attacker with network access to the UDP port can exploit it.

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Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized data injection into the MOOS system. Unauthenticated UDP packet injection may lead to data integrity issues, unauthorized access, or spoofed communications, which are critical concerns under both regulations. However, specific compliance impacts depend on system configuration and data handling practices.

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Mitigation Strategies

Immediately disable UDPListen in pMOOSBridge configuration if enabled. Restrict network access to the MOOS community using firewalls or network segmentation. Update to the latest version of essential-moos beyond 10.0.1 if available. Monitor for unauthorized activity and review logs for signs of exploitation.

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