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From "Joerg Schaible (JIRA)" <>
Subject [jira] Commented: (VFS-169) Thrown exception reveals passwords
Date Tue, 24 Mar 2009 13:15:50 GMT


Joerg Schaible commented on VFS-169:

bq. Seems we have duplication of functionality now

?? As I said, I did not apply Frank's patch, I've chosen a complete different approach.

bq. Also AbstractFileObject should be changed to use "safe" URI in toString()

This is the question. While it seems reasonable, we change silently the API. I'd be definitely
-1 for a next 1.x release, but since we're heading to 2.x, it might be a different case.

> Thrown exception reveals passwords
> ----------------------------------
>                 Key: VFS-169
>                 URL:
>             Project: Commons VFS
>          Issue Type: Bug
>    Affects Versions: 1.0
>            Reporter: Joerg Schaible
>            Assignee: Joerg Schaible
>             Fix For: 2.0
>         Attachments: vfs-pwd.patch
> If an exception occurs accessing a FileObject on a FileSystem that is addressed with
an URL containing user and password the thrown exception contains the password as part of
the error message:
> org.apache.commons.vfs.FileSystemException: Could not connect to SFTP server at "s".
> In such a case the URL should be printed as "sftp://user:***". Same applied
to log messages - at least for INFO and higher.
> This is a security risk, since in big companies exceptions and logs are normally collected
and archived in monitoring systems and may reveal the password to persons that have normally
no authorization to the target system.

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