{"id":"UBUNTU-CVE-2018-1000211","details":"Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's authorized method that can result in Access tokens are not revoked for public OAuth apps, leaking access until expiry.","modified":"2025-09-08T16:45:09Z","published":"2018-07-13T18:29:00Z","upstream":["CVE-2018-1000211"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1000211"},{"type":"REPORT","url":"https://github.com/doorkeeper-gem/doorkeeper/issues/891"},{"type":"REPORT","url":"https://github.com/doorkeeper-gem/doorkeeper/pull/1119"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1000211"}],"affected":[{"package":{"name":"ruby-doorkeeper","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ruby-doorkeeper@4.3.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.0-3","4.3.1-1","4.3.1-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-doorkeeper","binary_version":"4.3.1-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1000211.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}