Summary
The PSIRT received a report about a vulnerability in some gateways for Flexi Soft, Flexi Compact, EFI gateway UE4740, microScan3 and the outdoorScan3. The vulnerability is classified as a denial-of-service vulnerability and results from a malformed UDP package. It is recommended to implement the mitigations described in the mitigations section.
Revision history
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#4
Updated Advisory: URL for SICK Operating Guidelines has been updated
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#3
Updated Advisory (only visual changes)
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#2
Updated affected products
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#1
Initial Release
References
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SICK PSIRT Security Advisories
https://sick.com/psirt
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SICK Operating Guidelines
https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf
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ICS-CERT recommended practices on Industrial Security
http://ics-cert.us-cert.gov/content/recommended-practices
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CVSS v3.1 Calculator
https://www.first.org/cvss/calculator/3.1