Remote Denial of Service vulnerability in Fat Free CRM (CVE-2022-39281)

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Steve Kenworthy

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Oct 6, 2022, 9:11:24 PM10/6/22
to Fat Free CRM Developers

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

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