uc20 console-conf disabled by gadget still runs in recover mode

Bug #1895856 reported by Ian Johnson
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
snapd
Fix Released
Critical
Ian Johnson

Bug Description

when disabling console-conf by gadget defaults on uc20, console-conf correctly does not run in run mode or install mode, but when transitioning to recover mode, console-conf will start running again, allowing an attacker to configure their details and login to the device, effectively bypassing or defeating the full disk encryption on uc20

we should disable console-conf in the initramfs on recover mode by inspecting the gadget snap's defaults like we do with ConfigureRunSystem, but for recover mode and without using overlord, etc. but still using the filesystemOnlyApply system

Tags: core20
Changed in snapd:
status: Confirmed → Won't Fix
status: Won't Fix → In Progress
Revision history for this message
Ian Johnson (anonymouse67) wrote :
Zygmunt Krynicki (zyga)
Changed in snapd:
milestone: none → 2.47
status: In Progress → Fix Committed
Changed in snapd:
status: Fix Committed → Fix Released
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