GHSA-p75c-5x3h-cxcg
Fat Free CRM vulnerable to Remote Denial of Service via Tasks endpoint
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| RubyGems | fat_free_crm | < 0.20.1 | 0.20.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
### 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](https://github.com/fatfreecrm/fat_free_crm/issues)
References
External links from the advisory. They lead to third-party sites.
- https://github.com/fatfreecrm/fat_free_crm/security/advisories/GHSA-p75c-5x3h-cxcg
- https://nvd.nist.gov/vuln/detail/CVE-2022-39281
- https://github.com/fatfreecrm/fat_free_crm/commit/c85a2546348c2692d32f952c753f7f0b43d1ca71
- https://github.com/fatfreecrm/fat_free_crm
- https://github.com/fatfreecrm/fat_free_crm/releases/tag/v0.20.1
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/fat_free_crm/CVE-2022-39281.yml