{"id":"PYSEC-2016-38","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","GHSA-f82m-w3p3-cgp3"],"modified":"2024-11-25T22:42:23.740487Z","published":"2016-06-13T14:59:00Z","references":[{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2016/05/17/10"},{"type":"ADVISORY","url":"https://security.openstack.org/ossa/OSSA-2016-008.html"},{"type":"ADVISORY","url":"https://review.openstack.org/#/c/311886/"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2016/05/17/11"},{"type":"ADVISORY","url":"https://bugs.launchpad.net/keystone/+bug/1577558"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/90728"}],"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/pypa/advisory-database/blob/main/vulns/keystone/PYSEC-2016-38.yaml"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}