CVE-2022-39340: Github.com/openfga/openfga OpenFGA Subject To Information Disclosure Vulnerability

MODERATE
Advisory Identifier: GHSA-95x7-mh78-7w2r
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CVSS 5.3
CWE-862 CWE-285 CWE-863
Published
Advisory Summary

CVE-2022-39340 is a MODERATE (CVSS 5.3) openfga subject to information disclosure vulnerability (CWE-862: Missing Authorization) affecting Github.com/openfga/openfga libraries in the Go ecosystem. The issue involves openfga subject to information disclosure via streamed-list-objects endpoint. Remediation is available by upgrading affected packages to version 0.2.4.

CVE-2022-39340 at a Glance

CVE Identifier CVE-2022-39340
GHSA Identifier GHSA-95x7-mh78-7w2r
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-862: Missing Authorization
Affected Product Github.com/openfga/openfga
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2022-39340

To remediate this vulnerability, upgrade all affected Github.com/openfga/openfga dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/openfga/openfga fixed: 0.2.4 
Upgrade github.com/openfga/openfga to 0.2.4
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/openfga/openfga

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-39340, inspect your project dependencies for Github.com/openfga/openfga:

inspect dependencies for github.com/openfga/openfga

Analyze the terminal output to locate any version of Github.com/openfga/openfga in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.2.4), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-862: Missing Authorization, where the product does not perform an authorization check when an actor attempts to access a resource or perform an action. In Github.com/openfga/openfga, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Overview During our internal security assessment, it was discovered that `streamed-list-objects` endpoint was not validating the authorization header resulting in the disclosure of objects in the store. ### Am I Affected? You are affected by this vulnerability if you are using `openfga/openfga` version `v0.2.3` or prior and you are exposing the OpenFGA service to the internet. ### How to fix that? Upgrade to version `v0.2.4`. ### Backward Compatibility This update is backward compatible.

CVE-2022-39340 Affected Github.com/openfga/openfga Versions

1 component(s)
Fixed Versions:
0.2.4
Product / Package Ecosystem Affected Versions Fixed Version
github.com/openfga/openfga
golang/github.com/openfga/openfga
Go
< 0.2.4
0.2.4

References

GitHub Advisory / Wiki ADVISORY
https://github.com/openfga/openfga/security/advisories/GHSA-95x7-mh78-7w2r
NVD — CVE-2022-39340 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39340
Security Fix Commit FIX COMMIT
https://github.com/openfga/openfga/commit/779d73d4b6d067ee042ec9b59fec707eed71e42f
Github.com/openfga/openfga Source Repository REPOSITORY
https://github.com/openfga/openfga
Github.com/openfga/openfga Release RELEASE
https://github.com/openfga/openfga/releases/tag/v0.2.4

Frequently Asked Questions

What is CVE-2022-39340?
CVE-2022-39340 is a security vulnerability in Github.com/openfga/openfga involving OpenFGA subject to Information Disclosure via streamed-list-objects endpoint under CWE-862: Missing Authorization.
Which Github.com/openfga/openfga versions are affected?
Affected versions include releases prior to 0.2.4 across affected packages: github.com/openfga/openfga.
What version fixes CVE-2022-39340?
Upgrading to 0.2.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/openfga/openfga affected?
Yes, github.com/openfga/openfga is affected in releases prior to 0.2.4. Upgrade your dependency to 0.2.4 or later.
What is the CVSS score of CVE-2022-39340?
CVE-2022-39340 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2022-39340?
CVE-2022-39340 is classified under CWE-862: Missing Authorization (The product does not perform an authorization check when an actor attempts to access a resource or perform an action.).
How can I check Go dependencies for CVE-2022-39340?
Run the dependency tree command: 'inspect dependencies for github.com/openfga/openfga'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-95x7-mh78-7w2r",
  "modified" : "2022-10-27T18:35:10Z",
  "published" : "2022-10-25T20:13:38Z",
  "aliases" : [ "CVE-2022-39340" ],
  "summary" : "OpenFGA subject to Information Disclosure via streamed-list-objects endpoint",
  "details" : "### Overview\nDuring our internal security assessment, it was discovered that `streamed-list-objects` endpoint was not validating the authorization header resulting in the disclosure of objects in the store.\n\n### Am I Affected?\nYou are affected by this vulnerability if you are using `openfga/openfga` version `v0.2.3` or prior and you are exposing the OpenFGA service to the internet.\n\n### How to fix that?\nUpgrade to version `v0.2.4`.\n\n### Backward Compatibility\nThis update is backward compatible.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/openfga/openfga"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.2.4"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 0.2.3"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/openfga/openfga/security/advisories/GHSA-95x7-mh78-7w2r"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-39340"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openfga/openfga/commit/779d73d4b6d067ee042ec9b59fec707eed71e42f"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openfga/openfga"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openfga/openfga/releases/tag/v0.2.4"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-285", "CWE-862", "CWE-863" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-10-25T20:13:38Z",
    "nvd_published_at" : "2022-10-25T17:15:00Z"
  }
}