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THREATINT
PUBLISHED

CVE-2023-6840

Missing Authorization in GitLab



AssignerGitLab
Reserved2023-12-15
Published2024-02-07
Updated2024-10-03

Description

An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR.



MEDIUM: 6.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H

Product status

Default status
unaffected

16.4 before 16.6.7
affected

16.7 before 16.7.5
affected

16.8 before 16.8.2
affected

Credits

Thanks [js_noob](https://hackerone.com/js_noob) for reporting this vulnerability through our HackerOne bug bounty program finder

References

https://gitlab.com/gitlab-org/gitlab/-/issues/435500 (GitLab Issue #435500) issue-tracking

https://hackerone.com/reports/2280292 (HackerOne Bug Bounty Report #2280292) technical-description exploit permissions-required

cve.org CVE-2023-6840

nvd.nist.gov CVE-2023-6840

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