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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-6898) FileSystem.copyToLocal creates files with 777 permissions
Date Sun, 10 Apr 2011 00:21:06 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13017993#comment-13017993
] 

Nigel Daley commented on HADOOP-6898:
-------------------------------------

Aaron, any update on this for 0.22?

> FileSystem.copyToLocal creates files with 777 permissions
> ---------------------------------------------------------
>
>                 Key: HADOOP-6898
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6898
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs, security
>            Reporter: Todd Lipcon
>            Assignee: Aaron T. Myers
>            Priority: Blocker
>             Fix For: 0.22.0
>
>
> FileSystem.copyToLocal ends up calling through to FileUtil.copy, which calls create()
on the target file system without passing any permission object. Therefore, the file ends
up getting created locally with 777 permissions, which is dangerous -- even if the caller
then fixes up permissions afterwards, it exposes a window in which an attacker can open the
file.

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