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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6898) FileSystem.copyToLocal creates files with 777 permissions
Date Wed, 04 Aug 2010 00:52:17 GMT
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
            Priority: Critical
             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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