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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2022/03/23 03:54:00 UTC

[jira] [Created] (SPARK-38631) Arbitrary shell command injection via Utils.unpack()

Hyukjin Kwon created SPARK-38631:
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             Summary: Arbitrary shell command injection via Utils.unpack()
                 Key: SPARK-38631
                 URL: https://issues.apache.org/jira/browse/SPARK-38631
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 3.2.1, 3.1.2, 3.3.0
            Reporter: Hyukjin Kwon


There is a risk for arbitrary shell command injection via {{Utils.unpack}} when the filename is controlled by a malicious user. This is due to an issue in Hadoop's {{unTar}}, that is not properly escaping the filename before passing to a shell command:https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java#L904



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