{"id":"GHSA-443j-6p7g-6v4w","summary":"OpenStack Mistral DoS","details":"A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow definition YAML file containing nested anchors can lead to resource exhaustion culminating in a denial of service.","aliases":["CVE-2018-16848","PYSEC-2020-240"],"modified":"2024-09-25T20:33:13.320636Z","published":"2022-05-24T17:20:25Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2023-07-19T23:24:06Z","nvd_published_at":"2020-06-15T15:15:00Z","cwe_ids":["CWE-400"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-16848"},{"type":"WEB","url":"https://github.com/openstack/mistral/commit/eac23d9e774f658f9d4743c99aa2743eb104c3f9"},{"type":"WEB","url":"https://bugs.launchpad.net/mistral/+bug/1785657"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1645332"},{"type":"PACKAGE","url":"https://github.com/openstack/mistral"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/mistral/PYSEC-2020-240.yaml"}],"affected":[{"package":{"name":"mistral","ecosystem":"PyPI","purl":"pkg:pypi/mistral"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.0"}]}],"versions":["0","0.0.1","0.0.2","0.0.3","0.0.4","0.1","0.1.1","1.0.0","1.0.0.0b1","1.0.0.0b2","1.0.0.0b3","1.0.0.0rc1","1.0.0.0rc2","1.0.1","10.0.0.0b1","10.0.0.0b2","10.0.0.0b3","10.0.0.0rc1","2.0.0","2.0.0.0b1","2.0.0.0b2","2.0.0.0b3","2.0.0.0rc1","2.0.0.0rc2","2.0.0.0rc3","3.0.0.0b1","3.0.2","4.0.0","4.0.0.0b1","4.0.0.0b2","4.0.0.0b3","4.0.0.0rc1","4.0.0.0rc2","4.0.1","4.0.2","5.0.0","5.0.0.0b1","5.0.0.0b2","5.0.0.0b3","5.0.0.0rc1","5.1.0","5.2.0","5.2.1","5.2.2","5.2.3","5.2.4","5.2.5","5.2.6","5.2.7","5.2.8","6.0.0","6.0.0.0b1","6.0.0.0b2","6.0.0.0b3","6.0.0.0rc1","6.0.1","6.0.2","6.0.3","6.0.4","6.0.5","6.0.6","7.0.0","7.0.0.0b1","7.0.0.0b2","7.0.0.0b3","7.0.0.0rc1","7.0.1","7.0.2","7.0.3","7.0.4","7.1.0","8.0.0","8.0.0.0b1","8.0.0.0b2","8.0.0.0rc1","8.0.0.0rc2","8.1.0","9.0.0","9.0.0.0b1","9.0.0.0rc1","9.0.0.0rc2","9.0.1","9.1.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-443j-6p7g-6v4w/GHSA-443j-6p7g-6v4w.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}