Summary
An update is available that resolves a vulnerability identified by B&Rs internal security analysis in the product versions listed as affected in this advisory.
An attacker who successfully exploited this vulnerability could cause the product to stop.
Vulnerabilities 1
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Critical 10.0
Automation Runtime SDM requests may impact system
An Improper Resource Locking vulnerability in the SDM component of B&R Automation Runtime versions before 6.3 and before Q4.93 may allow an unauthenticated network-based attacker to delete data causing denial of service conditions.
Revision history
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#2
Initial CISA Republication of ABB PSIRT SA25P002 advisory
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#1
Initial version.
References
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B&R Advisory Link
https://www.br-automation.com/fileadmin/SA25P002-f6a69e61.pdf
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ICS Advisory ICSA-26-146-04 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-26-146-04
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Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b