Has anyone worked with a site/service like this that could help convey compromised keys between CAs?
https://pwnedkeys.com/submit.html
-----Original Message-----
From: dev-security-policy <[email protected]> On
Behalf Of Matt Palmer via dev-security-policy
Sent: Thursday, March 19, 2020 7:05 AM
To: [email protected]
Subject: Re: Is issuing a certificate for a previously-reported compromised
private key misissuance?
On Thu, Mar 19, 2020 at 05:30:31AM -0500, Ryan Sleevi wrote:
> On Thu, Mar 19, 2020 at 1:02 AM Matt Palmer via dev-security-policy <
> [email protected]> wrote:
> > 2. If there are not explicit prohibitions already in place, *should* there
> > be? If so, should it be a BR thing, or a Policy thing?
>
> https://github.com/cabforum/documents/issues/171 is filed to
> explicitly track this. That said, I worry the same set of negligent
> and irresponsible CAs will try to advocate for more CA discretion when
> revocation, such as allowing the CA to avoid revoking when they’ve
> mislead the community as to what they do (CP/CPS violations) or
> demonstrated gross incompetence (such as easily detected spelling issues in
> jurisdiction information).
>
> I would hope no CA would be so irresponsible as to try to bring that
> up during such a discussion.
I shall fire up the popcorn maker in preparation.
> > 3. Can a CA be deemed to have "obtained evidence" of key compromise prior
> > to the issuance of a certificate, via a previously-submitted key
> > compromise problem report for the same private key? If so, it would
> > seem that, even if the issuance of the certificate is OK, it is a
> > failure-to-revoke incident if the cert doesn't get revoked within 24
> > hours...
>
> Correct, that was indeed the previous conclusion around this. The CA
> can issue, but then are obligated to revoke within 24 hours.
Excellent, thanks for that confirmation. Incident report inbound.
- Matt
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