CVE-2023-35933: openfga Infinite Loop

Vulnerability summary

CVE-2023-35933 is a high (CVSS 7.5) Infinite Loop vulnerability in openfga. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 65.9% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 26-06-2023
   PublishedVulnerability first disclosed.
2. 03-12-2024
   Last modifiedVulnerability information updated.

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.

• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.