CVE-2023-4018: Direct Request ('Forced Browsing') in GitLab

Published Sep 1, 2023
·
Updated

An issue has been discovered in GitLab affecting all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. Due to improper permission validation it was possible to create model experiments in public projects.

Affected Software

4 affected components
GitLab GitLab>=16.2<16.2.5
GitLab GitLab>=16.2<16.2.5
GitLab GitLab=16.3.0
GitLab GitLab=16.3.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade GitLab to a version that resolves this vulnerability.

    Fixed in 16.3.1
  2. Upgrade

    Upgrade GitLab to a version that resolves this vulnerability.

    Fixed in 16.2.5

Event History

Sep 1, 2023
CVE Published
via MITRE·10:30 AM
Data Sourced
via MITRE·10:30 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·11:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2023-4018?

CVE-2023-4018 is a vulnerability discovered in GitLab that allows for the creation of model experiments in public projects due to improper permission validation.

2

Which versions of GitLab are affected by CVE-2023-4018?

All versions of GitLab starting from 16.2 before 16.2.5 and all versions starting from 16.3 before 16.3.1 are affected by CVE-2023-4018.

3

What is the severity of CVE-2023-4018?

CVE-2023-4018 has a severity rating of medium with a CVSS score of 5.3.

4

How can I fix CVE-2023-4018?

To fix CVE-2023-4018, it is recommended to update GitLab to version 16.2.5 or later for the 16.2.x series and to version 16.3.1 or later for the 16.3.x series.

5

Where can I find more information about CVE-2023-4018?

You can find more information about CVE-2023-4018 on the GitLab issue page (https://gitlab.com/gitlab-org/gitlab/-/issues/420301) and the HackerOne report (https://hackerone.com/reports/2083440).

Contact

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