Hi Bernd,

Could you comment on what steps you are taking to prevent further
violations of this type?

Thanks,
--Richard

Sent from my iPhone.  Please excuse brevity.

> On Feb 2, 2016, at 09:07, "[email protected]" 
> <[email protected]> wrote:
>
> Hello Kathleen,
>
> we revoked all SHA-1 certificates issued this year:
>
> 00a5401e9bafb23523 (Tuesday, February 2, 2016, 11:35:53)
> 009d79636c84ece62a (‎Tuesday, February 2, 2016, 11:37:25)
> 008e6c17cd66006c11 (Tuesday, February 2, 2016, 11:38:45)
> 2318da5c1485012e (Friday, January 29, 2016, 12:37:36)
>
> 6dfb9ccc0c5333c6 (‎Friday, January 29, 2016, 15:10:30)
>
> 7d5e244530e38c13 (‎Friday, January 29, 2016, 13:54:00)
> 00bdcda1e1e9b358e8 (Friday, January 29, 2016, 13:55:09)
> 008ab83981f725ff48 (Friday, January 29, 2016, 13:57:51)
>
> The corresponding CRL:
> http://crl.sbca.telesec.de/rl/Shared_Business_CA_3.crl
>
> Best regards,
>
> Bernd
>
> T-Systems International GmbH
> Trust Center Applications
>
>
>
> -----Ursprüngliche Nachricht-----
> Von: dev-security-policy 
> [mailto:dev-security-policy-bounces+bernd.nakonzer=t-systems....@lists.mozilla.org]
>  Im Auftrag von Kathleen Wilson
> Gesendet: Freitag, 29. Januar 2016 22:44
> An: [email protected]
> Betreff: Re: SHA1 certs issued this year chaining to included roots
>
>> On 1/25/16 12:22 AM, Charles Reiss wrote:
>>> On 01/19/16 01:49, Charles Reiss wrote:
>>> Via censys.io, I found a couple SHA-1 certs with notBefore dates from
>>> this year which chain to root CAs in Mozilla's program:
>> [snip]
>>
>> And here are a couple more, from different subCAs:
>>
>> - https://crt.sh/?id=12131821 -- chaining to Deutsche Telekom Root CA
>> 2 [T-Systems] via subCA "Shared Business CA 3"
>
>
> I received email from Bernd of T-Systems saying that from 1 January 2016, 8 
> SHA‐1 subscriber certificates (SSL) were issued via sub-CA "Shared Business 
> CA 3" (chaining to “Deutsche Telekom Root CA 2”) – because of converging use 
> cases. Other T-Systems CAs were not affected.
> The problem has been fixed, so SHA-1 certs can no longer be issued.
> The 8 certs will be revoked on February 5 and the corresponding CRL will be 
> updated/published.
>
> Thanks,
> Kathleen
>
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