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From "James Livingston (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCLIENT-1316) Certificate verification rejects IPv6 addresses which are not String-equal
Date Mon, 04 Feb 2013 01:27:11 GMT
James Livingston created HTTPCLIENT-1316:
--------------------------------------------

             Summary: Certificate verification rejects IPv6 addresses which are not String-equal
                 Key: HTTPCLIENT-1316
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1316
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpConn
    Affects Versions: 4.2.3
            Reporter: James Livingston


org.apache.http.conn.ssl.AbstractVerifier.verify() does not correctly handle host name verification
when IPv6 addresses are used, as it simply does a string equality check when doWildcard is
false.

http://tools.ietf.org/html/rfc5952#section-3.2.5 specifically mentions X.509 certificates
as an example when textual comparison of IPv6 addresses is not correct. Examples of incorrect
behaviour are with:
* leading zeroes
* zero compression
* case insensitivity


For example if you have a SSL certificate for the IP address 2001:0db8:aaaa:bbbb:cccc:0:0:0001,
the alternative representation of 2001:db8:AAAA:bbbb:cccc::1 should be accepted as a match.

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