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https://issues.apache.org/jira/browse/SSHD-605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15239598#comment-15239598
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Goldstein Lyor commented on SSHD-605:
-------------------------------------
Fixed it see
[a1699d1f|https://github.com/apache/mina-sshd/commit/9fb39d224ecb24467e5497950973ccf3a1699d1f]
and added a test. [[email protected]] thanks for the diagnosis and hint
as to the problem - it was, as you said, due to not normalizing the resolved
path. Please get latest version from _Github_ and re-test.
> VirtualFileSystemFactory allows escaping from root
> --------------------------------------------------
>
> Key: SSHD-605
> URL: https://issues.apache.org/jira/browse/SSHD-605
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 1.0.0
> Environment: Windows, JDK 7
> Reporter: Damien B
> Assignee: Goldstein Lyor
> Labels: security
> Fix For: 1.1.0, 1.3.0
>
>
> Possibly Windows only.
> I start a SFTP server like this:
> sshd = SshServer.setUpDefaultServer();
> [...]
> sshd.setFileSystemFactory(new
> VirtualFileSystemFactory(myRootDir.getCanonicalPath()));
> [...]
> sshd.setSubsystemFactories(Arrays.<NamedFactory<Command>>asList(new
> SftpSubsystemFactory()));
> I connect to the server with FileZilla.
> Upon connexion, the files in myRooDir correctly appear under the server path
> '/'. But if I cd to '/c:/Windows/', the files in C:\Windows\ appear, escaping
> the VFS root.
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