Django-SES up to 3.4.x SESEventWebhookView signature verification

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Django-SES up to 3.4.x. This impacts the function SESEventWebhookView. The manipulation leads to signature verification. This vulnerability is listed as CVE-2023-33185. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Django-SES up to 3.4.x (Content Management System) and classified as problematic. This issue affects the function SESEventWebhookView. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 05/27/2023 as GHSA-qg36-9jxh-fj25. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-33185 since 05/17/2023. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.5.0 eliminates this vulnerability. Applying the patch b71b5f413293a13997b6e6314086cb9c22629795 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 4.6
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Django-SES 3.5.0
Patch: b71b5f413293a13997b6e6314086cb9c22629795

Timelineinfo

05/17/2023 🔍
05/27/2023 +10 days 🔍
05/27/2023 +0 days 🔍
06/21/2023 +25 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-qg36-9jxh-fj25
Status: Confirmed

CVE: CVE-2023-33185 (🔍)
GCVE (CVE): GCVE-0-2023-33185
GCVE (VulDB): GCVE-100-230063

Entryinfo

Created: 05/27/2023 08:19
Updated: 06/21/2023 10:48
Changes: 05/27/2023 08:19 (52), 06/21/2023 10:48 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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