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  5. CVE-2023-35933

CVE-2023-35933: Loop with Unreachable Exit Condition ('Infinite Loop')

June 28, 2023 (updated July 3, 2023)

OPenFGA is an open source authorization/permission engine built for developers. OpenFGA versions v1.1.0 and prior is 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.

References

  • github.com/advisories/GHSA-hr9r-8phq-5x8j
  • github.com/openfga/openfga/commit/087ce392595f3c319ab3028b5089118ea4063452
  • github.com/openfga/openfga/security/advisories/GHSA-hr9r-8phq-5x8j
  • nvd.nist.gov/vuln/detail/CVE-2023-35933
  • openfga.dev/api/service
  • openfga.dev/api/service

Code Behaviors & Features

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Affected versions

All versions before 1.1.1

Fixed versions

  • v1.1.1

Solution

Upgrade to version 1.1.1 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Source file

go/github.com/openfga/openfga/CVE-2023-35933.yml

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