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https://issues.apache.org/jira/browse/SSHD-202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guillaume Nodet updated SSHD-202:
---------------------------------
Fix Version/s: 0.9.0
> SSH Client silently accepts server key by default :-(
> -----------------------------------------------------
>
> Key: SSHD-202
> URL: https://issues.apache.org/jira/browse/SSHD-202
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 0.8.0
> Environment: Windows
> Reporter: Andrew C
> Assignee: Guillaume Nodet
> Fix For: 0.9.0
>
> Attachments: sshd-202.patch
>
>
> The default SshClient, returned by SshClient.setUpDefaultClient, silently
> accepts the server's public key. This is because ClientSessionImpl.checkHost
> allows a null ServerKeyVerifier and silently succeeds, This is, IMNSHO,
> really bad. Instead, I'd suggest:
> - SshClient.checkConfig require a ServerKeyVerifier
> - ClientSessionImpl.checkHost crash and burn when ServerKeyVerifier is null
> - SshClient.setupDefaultClient set it to AcceptAllServerKeyVerifier
> (maintains compatibility)
> - and AcceptAllServerKeyVerifier clearly log its action at the warning, not
> trace level
> Tweaking RequiredServerKeyVerifier to log its actions would also be helpful.
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