[Bug 1880197] Re: ephemeral key used to sign mokmanager should have better certificate attributes

[Brian Murray]

** Tags removed: rls-gg-incoming
** Tags added: rls-gg-notfixing

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https://bugs.launchpad.net/bugs/1880197

Title:
  ephemeral key used to sign mokmanager should have better certificate
  attributes

Status in shim-signed package in Ubuntu:
  Triaged

Bug description:
  I try to boot mokmanager. It fails to boot, as it's not signed with
  canonical online key, chained to canonical CA, which shim tries to
  validate and fails. I see scary blue screen of death with validation
  errors.

  # sbverify --list /boot/efi/EFI/ubuntu/mmx64.efi 
  warning: data remaining[1114272 vs 1269496]: gaps between PE/COFF sections?
  signature 1
  image signature issuers:
   - /C=US/L=SomeCity/O=SomeOrg
  image signature certificates:
   - subject: /C=US/L=SomeCity/O=SomeOrg/CN=shim
     issuer:  /C=US/L=SomeCity/O=SomeOrg

  
  shouldn't shim builds, submit shix64.efi mmx64.efi for Canonical online key signing?

  Maybe as separate shim-canonical & shim-canonical-signed packages,
  which chain off src:shim? (since we can't easily rebuild shim)

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