Improper Authentication in Doorkeeper - CVE-2023-34246
Published: June 15, 2023
Vulnerability identifier: #VU77342
CSH Severity: Low
CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-34246
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Affected software
Doorkeeper
Ubuntu
ruby-doorkeeper (Ubuntu package)
Ubuntu
ruby-doorkeeper (Ubuntu package)
How to mitigate CVE-2023-34246
Install updates from vendor's website.
Doorkeeper - update to 5.6.6
ruby-doorkeeper (Ubuntu package) - addressed in versions Ubuntu Pro, 5.0.2-2ubuntu0.1, 5.5.0-2ubuntu0.22.04.1, 5.5.0-2ubuntu0.22.10.1, 5.5.0-2ubuntu0.23.04.1
ruby-doorkeeper (Ubuntu package) - addressed in versions Ubuntu Pro, 5.0.2-2ubuntu0.1, 5.5.0-2ubuntu0.22.04.1, 5.5.0-2ubuntu0.22.10.1, 5.5.0-2ubuntu0.23.04.1
External References
- https://github.com/doorkeeper-gem/doorkeeper/pull/1646
- https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v5.6.6
- https://www.rfc-editor.org/rfc/rfc8252#section-8.6
- https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-7w2c-w47h-789w
- https://github.com/doorkeeper-gem/doorkeeper/issues/1589