Summary
Successful exploitation of this vulnerability could result in a denial-of-service condition. As a result, the controller goes into a Major Non-Recoverable Fault (MNRF) state, which is considered safe. However, recovery requires the user to download the application program again.
Vulnerabilities 1
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Unscored —
Improperly implemented option-field processing in the TCP/IP stack on Allen-Bradley L30ERMS safety devices v30 and earl…
Revision history
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#2
ICSA-18-172-02 Rockwell Automation Allen-Bradley CompactLogix and Compact GuardLogix (Update A)
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#1
ICSA-18-172-02 Rockwell Automation Allen-Bradley CompactLogix and Compact GuardLogix
References
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ICS Advisory ICSA-18-172-02 Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-18-172-02
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Recommended Practices
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
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Recommended Practices
https://www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B