CVE-2022-2251

Description

Improper sanitization of branch names in GitLab Runner affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows a user who creates a branch with a specially crafted name and gets another user to trigger a pipeline to execute commands in the runner as that other user.

References

https://hackerone.com/reports/1063511

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2251.json

https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27386

Details