re: fw_update verify firmware?

2020-05-15 Thread Герман Содатов
>    This has nothing to do with OpenBSD.   If OpenBSD would have a switch to disable usage of all BLOBs provided by OBSD at once on an user desire. Does OpenBSD have any other BLOBs except firmwares which can be deleted/renamed/moved? >     Please read your own statement. You aren't qualified

Re: fw_update verify firmware?

2020-05-14 Thread Theo de Raadt
Aaron Mason wrote: > On Fri, May 15, 2020 at 3:39 AM Nick Holland > wrote: > > > > On 2020-05-14 11:08, i...@aulix.com wrote: > > > > I actually had Adaptec give me a firmware update with a time bomb in > > it, and didn't bother to tell me that after X days, it would brick my > > adapter and

Re: fw_update verify firmware?

2020-05-14 Thread Aaron Mason
On Fri, May 15, 2020 at 3:39 AM Nick Holland wrote: > > On 2020-05-14 11:08, i...@aulix.com wrote: > > I actually had Adaptec give me a firmware update with a time bomb in > it, and didn't bother to tell me that after X days, it would brick my > adapter and prevent me from updating/downdating it.

Re: fw_update verify firmware?

2020-05-14 Thread Marc Espie
On Thu, May 14, 2020 at 04:25:11AM +, Mogens Jensen wrote: > I was just trying out the fw_update program on OpenBSD 6.5, deleting/ > installing all the firmware and was wondering if fw_update will verify > the files before installing? Others pointed out that firmwares are signed. For a while

Re: fw_update verify firmware?

2020-05-14 Thread Theo de Raadt
Nick Holland wrote: > On 2020-05-14 11:08, i...@aulix.com wrote: > >> If that binary code was on a ROM, would it be less malicious? > > > > Cannot more recent and up to date binary code be more malicious than > > old one in the ROM? > > This has nothing to do with OpenBSD. That can be true

Re: fw_update verify firmware?

2020-05-14 Thread Nick Holland
On 2020-05-14 11:08, i...@aulix.com wrote: >> If that binary code was on a ROM, would it be less malicious? > > Cannot more recent and up to date binary code be more malicious than > old one in the ROM? This has nothing to do with OpenBSD. That can be true for any kind of code update, whether

Re: fw_update verify firmware?

2020-05-14 Thread Theo de Raadt
i...@aulix.com wrote: > > If that binary code was on a ROM, would it be less malicious? > > Cannot more recent and up to date binary code be more malicious than old one > in the ROM? Our firmwares do not replace code on ROM, since the hardware in question HAS NO ROM.

Re: fw_update verify firmware?

2020-05-14 Thread info
> If that binary code was on a ROM, would it be less malicious? Cannot more recent and up to date binary code be more malicious than old one in the ROM? Just because backdoor development is progressing as time goes and old backdoors may be less dangerous compared to modern ones? > If the

Re: fw_update verify firmware?

2020-05-14 Thread Theo de Raadt
Janne Johansson wrote: > Den tors 14 maj 2020 kl 06:27 skrev Mogens Jensen < > mogens-jen...@protonmail.com>: > > > Normally I would just assume that fetched files are verified, but maybe > > in the case with fw_update, the rationale is that firmware files are > > binary blobs so we can't know

Re: fw_update verify firmware?

2020-05-14 Thread Stuart Henderson
On 2020-05-14, Mogens Jensen wrote: > I was just trying out the fw_update program on OpenBSD 6.5, deleting/ > installing all the firmware and was wondering if fw_update will verify > the files before installing? > > There is a SHA256.sig in the remote firmware directory, but no > indication from

fw_update verify firmware?

2020-05-14 Thread Mogens Jensen
I was just trying out the fw_update program on OpenBSD 6.5, deleting/ installing all the firmware and was wondering if fw_update will verify the files before installing? There is a SHA256.sig in the remote firmware directory, but no indication from fw_update, even with verbose output, if this is

Re: fw_update verify firmware?

2020-05-14 Thread Janne Johansson
Den tors 14 maj 2020 kl 06:27 skrev Mogens Jensen < mogens-jen...@protonmail.com>: > Normally I would just assume that fetched files are verified, but maybe > in the case with fw_update, the rationale is that firmware files are > binary blobs so we can't know if they are malicious anyway,

Re: fw_update verify firmware?

2020-05-13 Thread Theo de Raadt
The firmwares are packages, and are signed with the /etc/signify/openbsd-XX-fs.pub key. There is no risk. Mogens Jensen wrote: > I was just trying out the fw_update program on OpenBSD 6.5, deleting/ > installing all the firmware and was wondering if fw_update will verify > the files before