An issue has been discovered in GitLab EE affecting all versions starting from 12.5 before 17.1.6, all versions starting from 17.2 before 17.2.4, all versions starting from 17.3 before 17.3.1. Under certain conditions it may be possible to bypass the IP restriction for groups through GraphQL allowing unauthorised users to perform some actions at the group level.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | 12.5.0 (including) | 17.1.6 (excluding) |
| Gitlab | Gitlab | 17.2.0 (including) | 17.2.4 (excluding) |
| Gitlab | Gitlab | 17.3.0 (including) | 17.3.0 (including) |
| Gitlab | Ubuntu | esm-apps/xenial | * |
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: