CVE-2023-35933

CVSS 3.1 Score 7.5 of 10 (high)

Attack Complexity low
Availability high
Confidentiality none
Integrity none
Scope unchanged
Privileges Required none

Details

Published Jun 26, 2023
Updated: Jul 6, 2023
CWE ID 835

Summary

CVE-2023-35933 affects OpenFGA, an open-source authorization engine, where versions up to and including v1.1.0 are vulnerable to Denial of Service (DoS) attacks. The vulnerability arises when executing `Check` and `ListObjects` calls against authorization models containing circular relationship definitions. Users running such calls on vulnerable models using OpenFGA v1.1.0 or earlier are at risk. No known workarounds are available, and it is recommended to upgrade to v1.1.1. Only users with circular relationships in their models are susceptible to this issue.

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