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GHSA-qq38-mxpq-rrpj

Improper authorization of users and groups with the same base name in Jenkins GitLab Authentication Plugin

Source: GitHub Advisory Database (reviewed) High CVE-2020-2228

Packages

EcosystemPackageAffectedFixed in
Maven org.jenkins-ci.plugins:gitlab-oauth < 1.6 1.6

Details

As written in the advisory (Markdown source, shown as plain text).

GitLab Authentication Plugin 1.5 and earlier does not differentiate between user names and hierarchical group names when performing authorization. This allows an attacker with permissions to create groups in GitLab to gain the privileges granted to another user or group. GitLab Authentication Plugin 1.6 performs user name and group name authorization checks using the appropriate GitLab APIs.

References

External links from the advisory. They lead to third-party sites.