critical
9
Advisory Published
Updated

CVE-2021-25646: Authenticated users can override system configurations in their requests which allows them to execute arbitrary code.

First published: Fri Jan 29 2021(Updated: )

Apache Druid includes the ability to execute user-provided JavaScript code embedded in various types of requests. This functionality is intended for use in high-trust environments, and is disabled by default. However, in Druid 0.20.0 and earlier, it is possible for an authenticated user to send a specially-crafted request that forces Druid to run user-provided JavaScript code for that request, regardless of server configuration. This can be leveraged to execute code on the target machine with the privileges of the Druid server process.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache Druid<=0.20.0

Remedy

https://lists.apache.org/thread.html/rfeb775822cd3baef1595b60f6860f5ca849eb1903236483f3297bd5c@%3Ccommits.druid.apache.org%3E

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-25646?

    CVE-2021-25646 is a vulnerability in Apache Druid that allows an authenticated user to execute user-provided JavaScript code.

  • What is the severity of CVE-2021-25646?

    The severity of CVE-2021-25646 is critical, with a CVSS score of 8.8.

  • How does CVE-2021-25646 affect Apache Druid?

    CVE-2021-25646 affects Apache Druid versions up to and including 0.20.0.

  • Is the execution of user-provided JavaScript code enabled by default in Apache Druid?

    No, the execution of user-provided JavaScript code is disabled by default in Apache Druid.

  • How can I fix CVE-2021-25646?

    To fix CVE-2021-25646, users should update to a version of Apache Druid that is later than 0.20.0.

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