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Capsule update signing is not enforced #1075

Open SergiiDmytruk opened 1 month ago

SergiiDmytruk commented 1 month ago

Component

Dasharo firmware

Device

MSI Pro Z690-A, MSI Pro Z790-P

Dasharo version

Z690-A v1.1.4 & Z790-P v0.9.2

Brief summary

Root key is not being enforced by capsule updates

How reproducible

Always.

How to reproduce

Generate a new set of keys, make a capsule and use it to perform an update.

Expected behavior

Failure due to security violation (capsule not signed with the appropriate key).

Actual behavior

Update will succeed.

Additional context

This is not a severe issue in terms that you can't do anything that wasn't possible before, but updates should be cryptographycally verified in the future.

Internal reference to a more extensive discussion: DSH-988

Solutions you've tried

No response