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Heads Roll as Qihoo 360 Moves to End Wosign, Startcom Certificate Row

Accepted submission by Arthur T Knackerbracket at 2016-10-10 13:42:15

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FeedSource: [TheRegister]

Time: 2016-10-10 00:36:38 UTC

Original URL: [] using UTF-8 encoding.

Title: Heads Roll As Qihoo 360 Moves To End Wosign, Startcom Certificate Row

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Heads Roll As Qihoo 360 Moves To End Wosign, Startcom Certificate Row

Arthur T Knackerbracket has found the following story []:

After being pinged by Mozilla for issuing backdated SHA-1 certificates, Chinese certificate authority WoSign's owner has put the cleaners through the management of WoSign and StartCom.

Mozilla put WoSign and StartCom on notice [] at the end of September.

As part of its response, the company has posted around 200,000 certificates with the Google transparency log server as well as on its own CT log server, covering everything issued in 2015 and 2016, with a promise to expand that to "all certificates past and present".

In this discussion thread [], Bugzilla lead developer Gervase Markham explains that people from WoSign's majority shareholder Qihoo 360 and StartCom met with Mozilla representatives last Tuesday in London.

WoSign's full response is here (PDF) []. In it, as summarised in the mailing list discussion by StartCom founder Eddy Nigg, the company promises to:

Qihoo 360 is taking the issue of backdated SHA-1 certs, in January 2016, as the most serious violation, and the reason for the executive re-organisation.

The incident report states: "Wosign is in process of making legal and personnel changes in both WoSign and StartCom to ensure that both WoSign and StartCom have leadership that understand and follow the standards of running a CA".

The incident report lists more than 60 backdated certificates, including the one issued to Australian-headquartered payments processor Tyro (The Register has previously contacted Tyro for comment, but received no response).

The Qihoo 360 incident report says SHA-1 certificates with a validity beyond January 2017 were issued because of delays to the systems upgrade it was undertaking to implement SHA-1 deprecation.

Customers holding an SHA-1 certificate will be offered free revocation and an upgrade to SHA-2.

The company puts other certificate issuance errors down to a variety of system bugs and, in the case of certificates for Alibaba's that opened a middleman vulnerability, a lack of human validation for important customers.

Mozilla will now decide whether Qihoo 360's intervention brings it back into compliance with its certificate rules. After that, the company will also have to convince Apple to rescind its decision [] not to trust its certificates. ®

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