Summary
SINUMERIK ONE and SINUMERIK MC products are affected by a denial of service vulnerability in the OPC UA implementation of the integrated S7-1500 CPU. The vulnerability in the integrated S7-1500 CPU is documented in more detail in SSA-711309 [1].
Siemens has released updates for the affected products and recommends to update to the latest versions.
[1]
https://cert-portal.siemens.com/productcert/html/ssa-711309.html
Vulnerabilities 1
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High 7.5
The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could c…
Revision history
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#1
Publication Date
References
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SSA-118850: Denial of Service Vulnerability in the OPC UA Implementation in SINUMERIK ONE and SINUMERIK MC - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-118850.html
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SSA-118850: Denial of Service Vulnerability in the OPC UA Implementation in SINUMERIK ONE and SINUMERIK MC - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-118850.pdf
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SSA-118850: Denial of Service Vulnerability in the OPC UA Implementation in SINUMERIK ONE and SINUMERIK MC - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-118850.txt
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ICS Advisory ICSA-23-348-06 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-06
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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/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://us-cert.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/uscert/ics/tips/ICS-TIP-12-146-01B