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From:
Loganaden Velvindron <loganaden@gmail.com>
Subject:
Re: patch: stop login_yubikey(8) leaking OTP data to syslog
To:
Emiel Kollof <emiel@kollof.nl>
Cc:
tech@openbsd.org
Date:
Tue, 19 Aug 2025 17:50:27 +0400

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  • Emiel Kollof:

    patch: stop login_yubikey(8) leaking OTP data to syslog

  • On Tue, 19 Aug 2025 at 13:25, Emiel Kollof <emiel@kollof.nl> wrote:
    >
    > Lloyd schreef op 2025-08-14 22:59:
    >
    > [snip]
    >
    > > I also don't buy this argument:
    > >
    > >> We make a policy decision to not attach these as keyboards anymore,
    > >> because a majority of users just want the FIDO functionality.  If you
    > >> want to use OTP, buy a different device from a different vendor
    >
    > Same here, assuming what user use hardware for is a big mistake.
    > Breaking
    > existing and established use cases is an even bigger one.
    >
    > FreeBSD may be a bit silly at times, but their POLA policy is actually
    > spot on.
    >
    > [snip]
    >
    > > The whole point of Yubikey OTP is that it *does* act like a USB
    > > keyboard
    > > and thus requires no drivers and can be used remotely. One man's
    > > 'accidental output' is another's intended output.
    >
    > Exactly this.
    >
    > > This decision seems a bit punitive but punishes the wrong group of
    > > users:
    > > the ones that already have working OTP setups or deliberately bought
    > > the
    > > product for the OTP functionality, and not the ones that can't figure
    > > out
    > > what they're buying or have a dusty old box of Yubikey 5's in the attic
    > > they're trying to make use of.
    >
    > I also petition to revert this, or to make this a sysctl knob that
    > defaults
    > to disabled so at least people that do want it can at least turn it back
    > on and have to do so knowingly.
    >
    > Some of us don't really have a say in what security products our
    > employers
    > choose, and we'd like to continue using OpenBSD.
    >
    
    Can you tell your employers to put pressure on the vendor to fix this because
    your employer might no longer be a customer after the next budget exercise ?
    
    
    > Cheers,
    > Emiel Kollof
    >
    
    
  • Emiel Kollof:

    patch: stop login_yubikey(8) leaking OTP data to syslog