CWE
1333
Advisory Published
Updated

CVE-2023-6688: Inefficient Regular Expression Complexity in GitLab

First published: Thu May 09 2024(Updated: )

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.11 prior to 16.11.2. A problem with the processing logic for Google Chat Messages integration may lead to a regular expression DoS attack on the server.

Credit: cve@gitlab.com

Affected SoftwareAffected VersionHow to fix
GitLab>=16.11.0<16.11.2
GitLab>=16.11.0<16.11.2

Remedy

Upgrade to versions 16.11.2 or above.

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Frequently Asked Questions

  • What is the severity of CVE-2023-6688?

    CVE-2023-6688 has been classified as a moderate severity vulnerability due to its potential for denial of service attacks.

  • How do I fix CVE-2023-6688?

    To remediate CVE-2023-6688, upgrade your GitLab installation to version 16.11.2 or later.

  • Which versions of GitLab are affected by CVE-2023-6688?

    CVE-2023-6688 affects all GitLab CE/EE versions starting from 16.11.0 up to but not including 16.11.2.

  • What kind of attack does CVE-2023-6688 enable?

    CVE-2023-6688 may allow for a regular expression denial-of-service (DoS) attack on the server.

  • What integration is vulnerable in CVE-2023-6688?

    The vulnerability in CVE-2023-6688 is related to the processing logic in the Google Chat Messages integration.

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