{"id":"CVE-2023-33185","summary":"Incorrect signature verification in django-ses","details":"Django-SES is a drop-in mail backend for Django. The django_ses library implements a mail backend for Django using AWS Simple Email Service. The library exports the `SESEventWebhookView class` intended to receive signed requests from AWS to handle email bounces, subscriptions, etc. These requests are signed by AWS and are verified by django_ses, however the verification of this signature was found to be flawed as it allowed users to specify arbitrary public certificates. This issue was patched in version 3.5.0.","aliases":["GHSA-qg36-9jxh-fj25","PYSEC-2023-82"],"modified":"2026-04-10T04:58:42.274284Z","published":"2023-05-26T20:03:33.725Z","database_specific":{"cwe_ids":["CWE-347"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33185.json","cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/django-ses/django-ses/blob/3d627067935876487f9938310d5e1fbb249a7778/CVE/001-cert-url-signature-verification.md"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33185.json"},{"type":"ADVISORY","url":"https://github.com/django-ses/django-ses/security/advisories/GHSA-qg36-9jxh-fj25"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33185"},{"type":"FIX","url":"https://github.com/django-ses/django-ses/commit/b71b5f413293a13997b6e6314086cb9c22629795"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/django-ses/django-ses","events":[{"introduced":"0"},{"fixed":"2388f4b8c644ae8d26e5457af00e2974a17d0995"}]}],"versions":["0.8.1","v0.2","v0.3.0","v0.4.0","v0.6.0","v0.7.0","v0.7.1","v0.8.0","v0.8.10","v0.8.11","v0.8.12","v0.8.13","v0.8.14","v0.8.2","v0.8.3","v0.8.3.1","v0.8.4","v0.8.5","v0.8.6","v0.8.7","v0.8.8","v1.0.0","v1.0.1","v1.0.2","v1.0.3","v2.0.0","v2.1.0","v2.1.1","v2.2.0","v2.2.1","v2.2.2","v2.3.0","v2.3.1","v2.4.0","v2.5.0","v2.6.0","v2.6.1","v3.0.1","v3.1.0","v3.1.2","v3.2.0","v3.2.1","v3.2.2","v3.4.0","v3.4.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-33185.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L"}]}