Vulnerability Description
OPenFGA is an open source authorization/permission engine built for developers. OpenFGA versions v1.1.0 and prior are vulnerable to a DoS attack when Check and ListObjects calls are executed against authorization models that contain circular relationship definitions. Users are affected by this vulnerability if they are using OpenFGA v1.1.0 or earlier, and if you are executing `Check` or `ListObjects` calls against a vulnerable authorization model. Users are advised to upgrade to version 1.1.1. There are no known workarounds for this vulnerability. Users that do not have circular relationships in their models are not affected.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openfga | Openfga | < 1.1.1 |
Related Weaknesses (CWE)
References
- https://github.com/openfga/openfga/commit/087ce392595f3c319ab3028b5089118ea40634Patch
- https://github.com/openfga/openfga/security/advisories/GHSA-hr9r-8phq-5x8jVendor Advisory
- https://openfga.dev/api/service#/Relationship%20Queries/CheckExploitVendor Advisory
- https://openfga.dev/api/service#/Relationship%20Queries/ListObjectsExploitVendor Advisory
- https://github.com/openfga/openfga/commit/087ce392595f3c319ab3028b5089118ea40634Patch
- https://github.com/openfga/openfga/security/advisories/GHSA-hr9r-8phq-5x8jVendor Advisory
- https://openfga.dev/api/service#/Relationship%20Queries/CheckExploitVendor Advisory
- https://openfga.dev/api/service#/Relationship%20Queries/ListObjectsExploitVendor Advisory
FAQ
What is CVE-2023-35933?
CVE-2023-35933 is a vulnerability with a CVSS score of 5.9 (MEDIUM). OPenFGA is an open source authorization/permission engine built for developers. OpenFGA versions v1.1.0 and prior are vulnerable to a DoS attack when Check and ListObjects calls are executed against a...
How severe is CVE-2023-35933?
CVE-2023-35933 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-35933?
Check the references section above for vendor advisories and patch information. Affected products include: Openfga Openfga.