Summary
Affected applications do not properly restrict the .NET BinaryFormatter when deserializing user-controllable input. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.
Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
Vulnerabilities 1
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Medium 6.5
A vulnerability has been identified in SIMATIC STEP 7 Safety V16 (All versions < V16 Update 7), SIMATIC STEP 7 Safety V…
Revision history
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Publication Date
References
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SSA-779936: Catalog-Profile Deserialization Vulnerability in Siemens Engineering Platforms before V19 - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-779936.html
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SSA-779936: Catalog-Profile Deserialization Vulnerability in Siemens Engineering Platforms before V19 - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-779936.pdf
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SSA-779936: Catalog-Profile Deserialization Vulnerability in Siemens Engineering Platforms before V19 - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-779936.txt