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  1. Flink
  2. FLINK-20875

[CVE-2020-17518] Directory traversal attack: remote file writing through the REST API

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Details

    • Bug
    • Status: Closed
    • Blocker
    • Resolution: Fixed
    • 1.9.0
    • 1.10.3, 1.11.3, 1.12.0
    • Runtime / REST
    • None

    Description

      Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1.

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            rmetzger Robert Metzger
            ana4 Luning Wang
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              Created:
              Updated:
              Resolved: