An IDOR vulnerability exists in GitLab <v12.1.2, <v12.0.4, and <v11.11.6 that allowed uploading files from project archive to replace other users files potentially allowing an attacker to replace project binaries or other uploaded assets.
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://hackerone.com/reports/534794 | issue tracking exploit third party advisory |
https://gitlab.com/gitlab-org/gitlab-ce/issues/60551 | exploit vendor advisory |