[jira] [Assigned] (HDFS-16766) XML External Entity (XXE) attacks can occur while processing XML received from an untrusted source

["groot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

groot reassigned HDFS-16766:
----------------------------

    Assignee: groot

> XML External Entity (XXE) attacks can occur while processing XML received from an untrusted source
> --------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-16766
>                 URL: https://issues.apache.org/jira/browse/HDFS-16766
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 3.3.4
>            Reporter: Jing
>            Assignee: groot
>            Priority: Major
>
> XML External Entity (XXE) attacks can occur when an XML parser supports XML entities while processing XML received from an untrusted source. The attack resides in XML input containing references to an external entity an is parsed by the weakly configured javax.xml.parsers.DocumentBuilder XML parser.
>  
> https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/util/ECPolicyLoader.java#L93



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