CVE-2023-34246

Public Exploit
Doorkeeper Improper Authentication vulnerability

Description

Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape. Prior to version 5.6.6, Doorkeeper automatically processes authorization requests without user consent for public clients that have been previous approved. Public clients are inherently vulnerable to impersonation, their identity cannot be assured. This issue is fixed in version 5.6.6.

Category

4.2
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.31%
Vendor Advisory github.com
Affected: doorkeeper-gem doorkeeper
Published at:
Updated at:

References

Link Tags
https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-7w2c-w47h-789w vendor advisory
https://github.com/doorkeeper-gem/doorkeeper/issues/1589 issue tracking exploit
https://github.com/doorkeeper-gem/doorkeeper/pull/1646 patch
https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v5.6.6 release notes
https://www.rfc-editor.org/rfc/rfc8252#section-8.6 technical description
https://lists.debian.org/debian-lts-announce/2023/07/msg00016.html
https://lists.debian.org/debian-lts-announce/2024/12/msg00010.html

Frequently Asked Questions

What is the severity of CVE-2023-34246?
CVE-2023-34246 has been scored as a medium severity vulnerability.
How to fix CVE-2023-34246?
To fix CVE-2023-34246, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-34246 being actively exploited in the wild?
It is possible that CVE-2023-34246 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-34246?
CVE-2023-34246 affects doorkeeper-gem doorkeeper.
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