On Fri, May 22, 2020 at 5:12 AM Kurt Roeckx via dev-security-policy <
dev-security-policy@lists.mozilla.org> wrote:

> On Fri, May 22, 2020 at 10:38:34AM +0200, Hanno Böck via
> dev-security-policy wrote:
> > Just reported this to Chunghwa Telecom Co., Ltd.:
> >
> > ----------
> >
> > I'm contacting you about a problem with the certificate for
> > *.hinet.net, as it can be found here [1].
> >
> > The Authority Information Access / CA Issuers field points to:
> > http://repository.publicca.hinet.net/certs/IssuedToThisCA.p7b
> >
> > According to RFC 5280 this must be a DER-encoded certificate. See also
> > recent discussion on the Mozilla policy list [2].
> > However this does not look like a different certificate encoding (PKCS
> > #7 binary).
> >
> > Please make sure you serve a correct, DER-encoded intermediate via the
> > AIA field.
>
> It does say:
>    or a
>    collection of certificates in a BER or DER encoded "certs-only" CMS
>    message as specified in [RFC2797].
>
> And it's currently not clear to me if that PKCS #7 file is such a
> file or not.


CMS (RFC 2797) is based on PKCS#7. A “certs-only” CMS message will be a
valid PKCS#7 message, and similarly, a PKCS#7 message can be a valid
“certs-only” CMS message.

Provided it is served in binary form, it’s unclear that there is an issue
here.
_______________________________________________
dev-security-policy mailing list
dev-security-policy@lists.mozilla.org
https://lists.mozilla.org/listinfo/dev-security-policy

Reply via email to