OpenFGA denial of service die to circular relationship
CVE-2023-35933

5.9MEDIUM

Key Information:

Vendor

Openfga

Status
Openfga
Vendor
CVE Published:
26 June 2023

What is CVE-2023-35933?

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.

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Affected Version(s)

openfga < 1.1.1

References

https://github.com/openfga/openfga/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/openfga/openfga/commit/087ce392595f3c3...
x_refsource_MISC
https://openfga.dev/api/service#/Relationship%20Queries/C...
x_refsource_MISC

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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