Improper Input Validation in OMICRON StationGuard 4.00

Executive Summary

OMICRON StationGuard 4.00 has an improper input validation flaw in its IEC 61850 Sampled Values (SV) frame processing. A specially crafted SV frame can cause the affected process to terminate, disrupting alert processing for SV traffic. The process restarts automatically, and the failure is reported to the user.

Useful 0 Not Useful 0

Detection Guidance

Detecting this vulnerability requires monitoring for improperly formatted IEC 61850 Sampled Values (SV) frames that may cause StationGuard to terminate. Inspect network traffic for malformed SV frames using packet capture tools like Wireshark or tcpdump. Look for frames with unexpected lengths, invalid headers, or corrupted data fields.

Useful 0 Not Useful 0

Impact Analysis

This vulnerability may cause temporary disruptions in alert processing for Sampled Values traffic. However, it does not affect overall system availability or other traffic types. The impact is limited to potential missed alerts during the brief process termination.

Useful 0 Not Useful 0

Compliance Impact

The vulnerability causes temporary disruption to alert processing for Sampled Values traffic but does not impact overall system availability or other traffic types. The process restarts automatically, and failures are reported, which may affect real-time monitoring but does not directly violate GDPR or HIPAA compliance unless critical data processing is interrupted during the outage.

Useful 0 Not Useful 0

Mitigation Strategies

Apply the latest security patches or updates from OMICRON for StationGuard 4.00. Monitor the affected process for unexpected terminations and ensure alerts are configured to notify administrators of failures. Restrict network access to IEC 61850 SV traffic where possible to reduce exposure.

Useful 0 Not Useful 0