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PSW #759 - Ismael Valenzuela

Paul's Security Weekly (Audio)

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The S7 1200 1500

Siemens somatic devices were developed about a decade ago when doing fixed keys were still a thing, especially in ICS networks. All of the models in the somatic series because they were all ended up being managed by the same backend. They use an opcode which has no security memory region checks to copy an internal struct containing a native pointer to a valid memory area to a writable memory area.

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