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https://issues.apache.org/jira/browse/HADOOP-19931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18094291#comment-18094291
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ASF GitHub Bot commented on HADOOP-19931:
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steveloughran commented on PR #8591:
URL: https://github.com/apache/hadoop/pull/8591#issuecomment-4904010972
already tested locally; will merge if yetus is happy (and ignoring
checkstyle failure)
> SSLHostnameVerifier subject CN parsing is too brittle
> -----------------------------------------------------
>
> Key: HADOOP-19931
> URL: https://issues.apache.org/jira/browse/HADOOP-19931
> Project: Hadoop Common
> Issue Type: Improvement
> Components: net
> Affects Versions: 3.5.0, 3.4.3
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Labels: pull-request-available
>
> Certificates.getCNs() extracts CNs by string-tokenising
> getSubjectX500Principal().toString() on commas and matching CN=.
> This is too brittle.
> Parse the subject with LdapName and take CNs from actual CN RDNs instead.
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