Yubikey NEO OpenPGP advisory

[Thomas Harning Jr.]

On Tue, Apr 21, 2015 at 1:49 PM Jose Castillo <jose.castillo at gmail.com>
wrote:

> I haven’t seen this posted to the list yet, and thought it would be
> important for people who use the Yubikey NEO's OpenPGP functionality with
> GnuPG. It regards a vulnerability in the Yubikey NEO implementation of the
> OpenPGP smart card application:
>
>
> https://developers.yubico.com/ykneo-openpgp/SecurityAdvisory%202015-04-14.html
>
> Yubikeys running the vulnerable software will generate signatures and
> decrypt session keys unconditionally, i.e. without verifying the user’s
> PIN. I reported this vulnerability to Yubico on 4/11, and to their credit
> it was quickly fixed. Still, if you are using a Yubikey that you obtained
> prior to the fix being issued, you should be aware that this vulnerability
> could affect your security.
>
> This issue also affected the upstream javacardopenpgp project [1], which
> has been updated with a fix as well.
>
> [1]: http://sourceforge.net/projects/javacardopenpgp/
>
> --
>
> Joey Castillo
> www.joeycastillo.com
>

Thanks for the notice and the fix! :)
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