PyPi: Django-Ses

CVE-2023-33185

Safety vulnerability ID: 58824

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at May 26, 2023 Updated at Apr 19, 2024
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Advisory

Django-SES 3.5.0 includes a fix for CVE-2023-33185: 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.
https://github.com/django-ses/django-ses/security/advisories/GHSA-qg36-9jxh-fj25

Affected package

django-ses

Latest version: 4.0.0

A Django email backend for Amazon's Simple Email Service (SES)

Affected versions

Fixed versions

Vulnerability changelog

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. See CVE-2023-33185.


MISC:https://github.com/django-ses/django-ses/blob/3d627067935876487f9938310d5e1fbb249a7778/CVE/001-cert-url-signature-verification.md: https://github.com/django-ses/django-ses/blob/3d627067935876487f9938310d5e1fbb249a7778/CVE/001-cert-url-signature-verification.md
MISC:https://github.com/django-ses/django-ses/commit/b71b5f413293a13997b6e6314086cb9c22629795: https://github.com/django-ses/django-ses/commit/b71b5f413293a13997b6e6314086cb9c22629795
MISC:https://github.com/django-ses/django-ses/security/advisories/GHSA-qg36-9jxh-fj25: https://github.com/django-ses/django-ses/security/advisories/GHSA-qg36-9jxh-fj25

Resources

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Severity Details

CVSS Base Score

MEDIUM 5.4

CVSS v3 Details

MEDIUM 5.4
Attack Vector (AV)
NETWORK
Attack Complexity (AC)
LOW
Privileges Required (PR)
LOW
User Interaction (UI)
NONE
Scope (S)
UNCHANGED
Confidentiality Impact (C)
LOW
Integrity Impact (I)
LOW
Availability Availability (A)
NONE