An IDOR was discovered in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) that allowed a maintainer to add any private group to a protected environment.
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
Link | Tags |
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https://about.gitlab.com/blog/2019/09/30/security-release-gitlab-12-dot-3-dot-2-released/ | vendor advisory |
https://hackerone.com/reports/566216 | permissions required |