{"id":"GHSA-f82m-w3p3-cgp3","summary":"OpenStack Identity Keystone Improper Access Control ","details":"The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token.","aliases":["CVE-2016-4911","PYSEC-2016-38"],"modified":"2024-11-26T18:27:07Z","published":"2022-05-17T03:41:03Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2024-05-14T21:05:37Z","nvd_published_at":"2016-06-13T14:59:00Z","cwe_ids":["CWE-284"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4911"},{"type":"WEB","url":"https://github.com/openstack/keystone/commit/0d376025bae61bf5ee19d992c7f336b99ac69240"},{"type":"WEB","url":"https://github.com/openstack/keystone/commit/ee1dc941042d1f71699971c5c30566af1b348572"},{"type":"WEB","url":"https://bugs.launchpad.net/keystone/+bug/1577558"},{"type":"PACKAGE","url":"https://github.com/openstack/keystone"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2016-38.yaml"},{"type":"WEB","url":"https://review.openstack.org/#/c/311886"},{"type":"WEB","url":"https://security.openstack.org/ossa/OSSA-2016-008.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/05/17/10"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/05/17/11"}],"affected":[{"package":{"name":"keystone","ecosystem":"PyPI","purl":"pkg:pypi/keystone"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-f82m-w3p3-cgp3/GHSA-f82m-w3p3-cgp3.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}