Re: Incident report - ROCA fingerprints in certificates issued by Comodo CA (was Re: RSA key generation vulnerability in Infineon firmware)

2017-11-09 Thread Rob Stradling via dev-security-policy

On 09/11/17 13:09, Rob Stradling via dev-security-policy wrote:

On 06/11/17 22:26, Rob Stradling via dev-security-policy wrote:

On Monday 6th November, we scanned the certificates that we'd issued 
between 20th October and 5th November.  8 further server 
authentication certificates were found, all for subdomains of the same 
registered domain.  We will get these revoked and then post the details.


The 8 further certs have been revoked and submitted to some CT logs. 
They're all related to the same registered domain (kindermorgan.com). 
There's yet another SCADA reference ("OU=IT SCADA").


https://crt.id/?id=250561714
https://crt.id/?id=250561721
https://crt.id/?id=250561722
https://crt.id/?id=250561723
https://crt.id/?id=250561724
https://crt.id/?id=250561725
https://crt.id/?id=250561728
https://crt.id/?id=250561731


Sorry for the URL construction fail.  The correct URLs are:

https://crt.sh/?id=250561714
https://crt.sh/?id=250561721
https://crt.sh/?id=250561722
https://crt.sh/?id=250561723
https://crt.sh/?id=250561724
https://crt.sh/?id=250561725
https://crt.sh/?id=250561728
https://crt.sh/?id=250561731

--
Rob Stradling
Senior Research & Development Scientist
COMODO - Creating Trust Online
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Re: Incident report - ROCA fingerprints in certificates issued by Comodo CA (was Re: RSA key generation vulnerability in Infineon firmware)

2017-11-09 Thread Rob Stradling via dev-security-policy

On 06/11/17 22:26, Rob Stradling via dev-security-policy wrote:

On Monday 6th November, we scanned the certificates that we'd issued 
between 20th October and 5th November.  8 further server authentication 
certificates were found, all for subdomains of the same registered 
domain.  We will get these revoked and then post the details.


The 8 further certs have been revoked and submitted to some CT logs. 
They're all related to the same registered domain (kindermorgan.com). 
There's yet another SCADA reference ("OU=IT SCADA").


https://crt.id/?id=250561714
https://crt.id/?id=250561721
https://crt.id/?id=250561722
https://crt.id/?id=250561723
https://crt.id/?id=250561724
https://crt.id/?id=250561725
https://crt.id/?id=250561728
https://crt.id/?id=250561731

--
Rob Stradling
Senior Research & Development Scientist
COMODO - Creating Trust Online
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