{"id":"USN-6210-1","summary":"ruby-doorkeeper vulnerability","details":"It was discovered that Doorkeeper incorrectly performed authorization checks\nfor public clients that have been previous approved. An attacker could\npotentially exploit these in order to impersonate another user and obtain\nsensitive information.\n","modified":"2026-05-20T16:03:24.352661343Z","published":"2023-07-07T15:14:15Z","related":["UBUNTU-CVE-2023-34246"],"upstream":["CVE-2023-34246","UBUNTU-CVE-2023-34246"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6210-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-34246"}],"affected":[{"package":{"name":"ruby-doorkeeper","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-doorkeeper?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-1ubuntu0.1~esm1"}]}],"versions":["2.2.1-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"2.2.1-1ubuntu0.1~esm1","binary_name":"ruby-doorkeeper"}]},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6210-1.json"}},{"package":{"name":"ruby-doorkeeper","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ruby-doorkeeper?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-1ubuntu0.1~esm1"}]}],"versions":["4.2.0-3","4.3.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.3.1-1ubuntu0.1~esm1","binary_name":"ruby-doorkeeper"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2023-34246"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6210-1.json"}},{"package":{"name":"ruby-doorkeeper","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ruby-doorkeeper?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.2-2ubuntu0.1"}]}],"versions":["4.4.2-1","5.0.2-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.0.2-2ubuntu0.1","binary_name":"ruby-doorkeeper"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2023-34246"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6210-1.json"}},{"package":{"name":"ruby-doorkeeper","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ruby-doorkeeper?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.5.0-2ubuntu0.22.04.1"}]}],"versions":["5.3.0-2","5.5.0-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.5.0-2ubuntu0.22.04.1","binary_name":"ruby-doorkeeper"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2023-34246"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6210-1.json"}}],"schema_version":"1.7.5"}