GHSA-p75c-5x3h-cxcg Fat Free CRM vulnerable to Remote Denial of Service via Tasks endpoint

• RubyGems fat_free_crm: < 0.20.1 → fixed in 0.20.1

Impact An authenticated user can perform a remote Denial of Service attack against Fat Free CRM. This vulnerability has been assigned the CVE identifier: CVE-2022-39281 Affected versions: All Not affected: None Fixed versions: 0.20.1 All users running an affected release should either upgrade or apply the patch immediately. Releases Fixed versions: 0.20.1 and above Patches If you are unable to upgrade immediately, you should apply the following patch. ``` diff --git a/app/models/polymorphic/task.rb b/app/models/polymorphic/task.rb index d3d5c32c..7cdb24d6 100644 --- a/app/models/polymorphic/task.rb +++ b/app/models/polymorphic/task.rb @@ -189,6 +189,7 @@ class Task < ActiveRecord::Base #---------------------------------------------------------------------------- def self.bucket_empty?(bucket, user, view = "pending") return false if bucket.blank? || !ALLOWED_VIEWS.include?(view) + return false unless Setting.task_bucket.map(&:to_s).include?(bucket.to_s) if view == "assigned" assigned_by(user).send(bucket).pending.count ``` Credits Thanks to @p- for reporting this and working with us to responsibly disclose this vulnerability. Further information If you have any questions or comments about this advisory, please Open an issue in GitHub Issue Tracker