CVE-2023-34246
MediumCVSS 4.2Exploitation Probability (EPSS)
Low risk49th percentile - higher than 49% of all known CVEs
Summary
Doorkeeper, an OAuth 2 provider for Ruby on Rails / Grape, prior to version 5.6.6 automatically processes authorization requests without user consent for previously approved public clients. This creates a risk of impersonation.
Risk Assessment
Public clients are inherently vulnerable to impersonation, which can lead to unauthorized access to resources. Organizations may face data loss and breaches of user privacy.
Recommendation
It is recommended to update Doorkeeper to version 5.6.6 or later to mitigate this vulnerability. Additionally, consider reviewing the authorization policy for public clients.
Original NVD description (English source)
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.