Chinese root CA issues rogue/fake certificates
Eric Kuhnke
eric.kuhnke at gmail.com
Wed Aug 31 04:38:55 UTC 2016
http://www.percya.com/2016/08/chinese-ca-wosign-faces-revocation.html
One of the largest Chinese root certificate authority WoSign issued many
fake certificates due to an vulnerability. WoSign's free certificate
service allowed its users to get a certificate for the base domain if they
were able to prove control of a subdomain. This means that if you can
control a subdomain of a major website, say percy.github.io, you're able to
obtain a certificate by WoSign for github.io, taking control over the
entire domain.
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