Messages in this thread | | | Date | Fri, 2 Nov 2012 18:04:58 +0000 | From | Matthew Garrett <> | Subject | Re: [RFC] Second attempt at kernel secure boot support |
| |
On Fri, Nov 02, 2012 at 05:57:38PM +0000, James Bottomley wrote: > On Fri, 2012-11-02 at 17:54 +0000, Matthew Garrett wrote: > > ? That's the message generated by the Windows access control mechanism > > when you run a binary that requests elevated privileges. > > So that's a windows attack vector using a windows binary? I can't really > see how it's relevant to the secure boot discussion then.
A user runs a binary that elevates itself to admin. Absent any flaws in Windows (cough), that should be all it can do in a Secure Boot world. But if you can drop a small trusted Linux system in there and use that to boot a compromised Windows kernel, it can make itself persistent.
-- Matthew Garrett | mjg59@srcf.ucam.org
| |