Summary
Several Intel-CPU based SIMATIC IPCs are affected by an information exposure vulnerability (CVE-2022-40982) in the CPU that could allow an authenticated local user to potentially read other users' data [1].
The issue is also known as "Gather Data Sampling" (GDS) or Downfall Attacks. For details refer to the chapter "Additional Information".
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.
[1]
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00828.html
Vulnerabilities 1
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Medium 6.5
Information exposure through microarchitectural state after transient execution in certain vector execution units for s…
Revision history
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#5
Added fix for SIMATIC IPC1047E
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#4
Added fix for SIMATIC Field PG M6 and SIMATIC IPC BX-39A / IPC PX-39A / IPC PX-39A PRO
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#3
Added fix for SIMATIC IPC627E / IPC647E / IPC677E / IPC847E and for SIMATIC IPC RW-543A
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#2
Added SIMATIC IPC 1047/1047E
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#1
Publication Date
References
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SSA-981975: Information Disclosure Vulnerability in Intel-CPUs (CVE-2022-40982) Impacting SIMATIC IPCs - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-981975.html