On Mon, 24 Oct 2022 at 07:07, 'Lahtiharju, Pekka' via
[email protected] <[email protected]> wrote:

> Hi Hanno,
>
> This is not publicly trusted TLS certificate but only Telia's test
> certificate. Issuer is our test issuer "Telia PreProd Server CA v3" (not
> publicly trusted).
>
> Telia was testing new Badkeys/Lint implementation and we wanted to do also
> one test without Badkeys/Lint with vulnerable key to see if anything else
> would prevent such key. According to our information CT log "Dodo" that was
> used is non-production CT log and could be used for such tests with
> non-trusted TLS certificates (Mammoth and Sabre are Sectigo's production CT
> logs). I hope this kind of testing is OK? Or should we keep such test
> certificates internal only without any CT publishing?
>

The certificate aside, having the problem suggests you were running a very
ancient version of Debian - is that wise, even in test environments?


>
> Best Regards
>
> Pekka Lahtiharju
> Senior Development Manager | Trust Services
> Telia Finland
> +358407061299 <+358%2040%207061299>
> [email protected]
> www.telia.fi
> Telia Finland Oyj, Helsinki 1475607-9
>
>
>
> -----Original Message-----
> From: [email protected] <[email protected]>
> On Behalf Of Hanno Böck
> Sent: sunnuntai 23. lokakuuta 2022 16.15
> To: [email protected]
> Subject: Certificate with Debian OpenSSL bug issued
>
> Hi,
>
> A few days ago a certificate with a key vulnerable to the 2008 Debian
> OpenSSL bug was issued by Telia:
> https://crt.sh/?id=7799145606
>
> It's a 4096 bit RSA key generated with a vulnerable debian version on
> 64 bit.
>
> --
> Hanno Böck
> https://hboeck.de/
>
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