org.apache.http.conn.ssl.AbstractVerifier in Apache HttpComponents
HttpClient before 4.3.5 and HttpAsyncClient before 4.0.2 does not
properly verify that the server hostname matches a domain name in the
subject's Common Name (CN) or subjectAltName field of the X.509
certificate, which allows man-in-the-middle attackers to spoof SSL
servers via a "CN=" string in a field in the distinguished name (DN)
of a certificate, as demonstrated by the "foo,CN=www.apache.org"
string in the O field.
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