{"schema_version":"1.7.3","id":"GHSA-53qw-q765-4fww","published":"2022-01-12T19:20:53Z","modified":"2024-09-20T16:09:39.890846Z","aliases":["BIT-django-2021-45115","CVE-2021-45115","PYSEC-2022-1"],"summary":"Denial-of-service in Django","details":"An issue was discovered in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. `UserAttributeSimilarityValidator` incurred significant overhead in evaluating a submitted password that was artificially large in relation to the comparison values. In a situation where access to user registration was unrestricted, this provided a potential vector for a denial-of-service attack.","affected":[{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2a1"},{"fixed":"2.2.26"}]}],"versions":["2.2","2.2.1","2.2.10","2.2.11","2.2.12","2.2.13","2.2.14","2.2.15","2.2.16","2.2.17","2.2.18","2.2.19","2.2.2","2.2.20","2.2.21","2.2.22","2.2.23","2.2.24","2.2.25","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.2a1","2.2b1","2.2rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/01/GHSA-53qw-q765-4fww/GHSA-53qw-q765-4fww.json"}},{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2a1"},{"fixed":"3.2.11"}]}],"versions":["3.2","3.2.1","3.2.10","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9","3.2a1","3.2b1","3.2rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/01/GHSA-53qw-q765-4fww/GHSA-53qw-q765-4fww.json"}},{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0a1"},{"fixed":"4.0.1"}]}],"versions":["4.0","4.0a1","4.0b1","4.0rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/01/GHSA-53qw-q765-4fww/GHSA-53qw-q765-4fww.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45115"},{"type":"WEB","url":"https://github.com/django/django/commit/2135637fdd5ce994de110affef9e67dffdf77277"},{"type":"WEB","url":"https://github.com/django/django/commit/a8b32fe13bcaed1c0b772fdc53de84abc224fb20"},{"type":"WEB","url":"https://github.com/django/django/commit/df79ef03ac867c93caaa6be56bc69e66abfeef8f"},{"type":"WEB","url":"https://docs.djangoproject.com/en/4.0/releases/security"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-53qw-q765-4fww"},{"type":"PACKAGE","url":"https://github.com/django/django"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2022-1.yaml"},{"type":"WEB","url":"https://groups.google.com/forum/#!forum/django-announce"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20220121-0005"},{"type":"WEB","url":"https://www.djangoproject.com/weblog/2022/jan/04/security-releases"}],"database_specific":{"cwe_ids":["CWE-400"],"github_reviewed":true,"github_reviewed_at":"2022-01-12T19:18:33Z","nvd_published_at":"2022-01-05T00:15:00Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}