CVE-2023-5831: Insertion of Sensitive Information Into Sent Data in GitLab
First published: Mon Nov 06 2023(Updated: )
An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GitLab | >=16.0.0<16.3.6 | |
| GitLab | >=16.0.0<16.3.6 | |
| GitLab | >=16.4.0<16.4.2 | |
| GitLab | >=16.4.0<16.4.2 | |
| GitLab | =16.5.0 | |
| GitLab | =16.5.0 |
Remedy
Upgrade to version 16.3.6, 16.4.1, 16.5.1. Risk can also be mitigated by disabling the default-disabled `super_sidebar_logged_out` feature flag if it was previously enabled.
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Reference Links
Frequently Asked Questions
What is CVE-2023-5831?
CVE-2023-5831 is a vulnerability in GitLab CE/EE that allows unauthorized actors to access sensitive information.
What versions of GitLab are affected by CVE-2023-5831?
GitLab versions starting from 16.0 before 16.3.6, starting from 16.4 before 16.4.2, and starting from 16.5.0 before 16.5.1 (with the `super_sidebar_logged_out` feature flag enabled) are affected by CVE-2023-5831.
How severe is CVE-2023-5831?
CVE-2023-5831 has a severity rating of medium with a CVSS score of 5.3.
How can I fix CVE-2023-5831?
To fix CVE-2023-5831, it is recommended to upgrade GitLab to version 16.3.6, 16.4.2, or 16.5.1 or higher, and disable the `super_sidebar_logged_out` feature flag.
Where can I find more information about CVE-2023-5831?
More information about CVE-2023-5831 can be found at the following reference link: [CVE-2023-5831](https://gitlab.com/gitlab-org/gitlab/-/issues/428919).
- agent/type
- agent/first-publish-date
- agent/author
- agent/references
- agent/severity
- agent/remedy
- collector/epss-latest
- source/FIRST
- agent/description
- agent/epss
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/weakness
- agent/last-modified-date
- agent/softwarecombine
- agent/event
- agent/source
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/gitlab
- canonical/gitlab
- version/gitlab/16.0.0
- version/gitlab/16.4.0
- version/gitlab/16.5.0