Advisory Published

CVE-2023-46672: Logstash Insertion of Sensitive Information into Log File

First published: Wed Nov 15 2023(Updated: )

An issue was identified by Elastic whereby sensitive information is recorded in Logstash logs under specific circumstances. The prerequisites for the manifestation of this issue are: * Logstash is configured to log in JSON format https://www.elastic.co/guide/en/logstash/current/running-logstash-command-line.html , which is not the default logging format. * Sensitive data is stored in the Logstash keystore and referenced as a variable in Logstash configuration.

Credit: bressers@elastic.co

Affected SoftwareAffected VersionHow to fix
Elastic Logstash>=8.10.0<8.11.1
Elastic Logstash=7.12.1

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Frequently Asked Questions

  • What is CVE-2023-46672?

    CVE-2023-46672 is a vulnerability that allows sensitive information to be recorded in Logstash logs under specific circumstances.

  • What is the severity of CVE-2023-46672?

    CVE-2023-46672 has a severity rating of 8.4 out of 10 (high).

  • What software is affected by CVE-2023-46672?

    Elastic Logstash versions between 8.10.0 and 8.11.1, and version 7.12.1 are affected by CVE-2023-46672.

  • How can I fix CVE-2023-46672?

    Upgrade Elastic Logstash to a version beyond 8.11.1 or apply the security update for Logstash 8.11.1.

  • Where can I find more information about CVE-2023-46672?

    You can find more information about CVE-2023-46672 at the following references: [Link 1](https://discuss.elastic.co/t/logstash-8-11-1-security-update-esa-2023-26/347191), [Link 2](https://www.elastic.co/community/security).


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