A major vulnerability in the OpenSSL cryptographic software library has just been published (CVE-2014-0160). If you have a Gandi SSL certificate, please read this post carefully before taking action.

This flaw has existed for some time, and there is a possibility that X509/SSL private keys have been compromised undetectably.

This flaw is present in OpenSSL from version 1.0.1 up to and including 1.0.1f, referred to as the "heartbleed" bug (heartbleed.com).

If your servers are using an affected version of OpenSSL (If you aren't sure if your server is affected, you can try a tool like this one, not provided or tested by Gandi):

  • If you are using our SSL certificates on our PaaS platform (Simple Hosting) or via our web accelerator, you should know we fixed this vulnerability as soon as we were informed of it, and we will try to give further details about how your private keys could have been exposed by our platform.
  • If you are using our IaaS infrastructure (Gandi Cloud VPS), or that of another hosting provider, and your servers are using an affected version* of OpenSSL, you need to:
  1. Patch the openSSL version on any server you own and operate yourself by installing security updates provided in your package manager. (For example, on Debian, ensure you're using the official debian-security repository, then run `apt-get update` and `apt-get install openssl`, then restart all services that use SSL.)
  2. Generate new private keys and certificates to restore security of your services (see below if you're using a Gandi SSL certificate).
  • If you are using our SSL certificates, either on our infrastructure (on our PaaS/Simple Hosting instances) or on external services, then it is recommended that you regenerate a CSR and private key. Note: Do not revoke the certificate! Replaced certificates will be automatically revoked (see update below). If you revoke the certificate yourself, you will not be able to replace it afterwards, and you'll instead have to buy a new one.

Additional technical information is available in this GandiKitchen blog post.

========= Update 17 April 2014 =========

If you regenerated a Gandi SSL certificate between 8 and 17 April:

Many customers have regenerated their SSL certificates as a result of the Heartbleed bug. Until today, old certificates which were replaced with new, regenerated ones were not automatically revoked. Due to popular demand, we promised (here and here) to revoke the old certificates.

We sent an email this morning to users who have regenerated a Gandi SSL certificate between 8 and 17 April to notify you that your old certificates will be revoked in 24 hours. Your old certificate will be revoked on the morning of 18 April, Paris time (as early as 1am PST). If you have regenerated a certificate but have not yet installed it on your infrastructure, now is the time to do so!

If you intend to regenerate a Gandi SSL certificate in the future:

We have implemented automatic revocation, which means that from today forward, regenerated certificates will be automatically revoked 48 hours after the replacement certificate has been issued.

If you have questions, please contact support, or tweet us @gandibar.



DNS resolution was interrupted for a few minutes on the hosting platform at our Paris datacenter.

While working on the machines which handle the DNS resolution for the Paris datacenter, some of them stopped responding at 11:04 AM (CEST).

Our technical team found and fixed the source of the issue at 11:24 AM.

We apologize for any inconvenience this problem may have caused to you.



A scheduled maintenance will take place between Tuesday 01 April 22:00 and Wednesday 2 April 05:00 UTC (01 April 2pm to 9pm PST).

During the maintenance, zone file updates on domains hosted on {a,b,c}.dns.gandi.net could be delayed.

Please excuse us for any inconvenience.

Regards,

The Gandi team


A scheduled maintenance will take place between Monday 31 March 22:00 and Tuesday 1 April 05:00 UTC (31 March 2pm to 9pm PST).

During the maintenance, zone file updates on domains hosted on {a,b,c}.dns.gandi.net could be delayed.

Please excuse us for any inconvenience.

Regards,

The Gandi team





A maintenance on IAAS/PAAS storage units located in france and luxembourg is scheduled for :

    18/03/2014 from 00.00AM CET to 02.00AM CET (from 2.00PM PDT)

The service will not be unavailable during the whole maintenance window. Service will be degraded for a few minutes during the maintenance window.

-OPs Team-


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