ghsa-m284-85mf-cgrc
Vulnerability from github
Published
2023-09-13 16:31
Modified
2023-09-13 16:31
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Summary
Strapi's field level permissions not being respected in relationship title
Details

Summary

Field level permissions not being respected in relationship title. If I have a relationship title and the relationship shows a field I don't have permission to see I will still be visible.

Details

No RBAC checks on on the relationship the relation endpoint returns

PoC

Setup

Create a fresh strapi instance Create a new content type in the newly created content type add a relation to the users-permissions user. Save. Create a users-permissions user Use your created content type and create an entry in it related to the users-permisisons user

Go to settings -> Admin panel -> Roles -> Author Give the author role full permissions on the content type your created. Make sure they don't have any permission to see User Save

Create a new admin account with only the author role

CVE

login on the newly created author acount. go to the content manager to the colection type you created with the relationship to users_permissions_user You now see a field you don't have permissions to view.

Impact

RBAC field level checks leaks data selected by the admin user as relationship title What could be sensitive fields that they should not be allowed to see. by the person having this specific role.

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@strapi/plugin-content-manager"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.12.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-37263"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200",
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-09-13T16:31:43Z",
    "nvd_published_at": "2023-09-15T19:15:08Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nField level permissions not being respected in relationship title.\nIf I have a  relationship title and the relationship shows a field I don\u0027t have permission to see I will still be visible.\n\n### Details\nNo RBAC checks on on the relationship the relation endpoint returns\n\n### PoC\n#### Setup\nCreate a fresh strapi instance\nCreate a new content type\nin the newly created content type add a relation to the users-permissions user.\nSave.\nCreate a users-permissions user\nUse your created  content type and create an entry in it related to the users-permisisons user\n\nGo to settings -\u003e Admin panel -\u003e Roles -\u003e Author\nGive the author role full permissions on the content type your created.\nMake sure they don\u0027t have any permission to see User\nSave\n\nCreate a new admin account with only the author role\n#### CVE\nlogin on the newly created author acount.\ngo to the content manager to the colection type you created with the relationship to users_permissions_user\nYou now see a field you don\u0027t have permissions to view.\n\n### Impact\nRBAC field level checks leaks data selected by the admin user as relationship title\nWhat could be sensitive fields that they should not be allowed to see. by the person having this specific role.",
  "id": "GHSA-m284-85mf-cgrc",
  "modified": "2023-09-13T16:31:43Z",
  "published": "2023-09-13T16:31:43Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/strapi/strapi/security/advisories/GHSA-m284-85mf-cgrc"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-37263"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/strapi/strapi"
    },
    {
      "type": "WEB",
      "url": "https://github.com/strapi/strapi/releases/tag/v4.12.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Strapi\u0027s field level permissions not being respected in relationship title"
}


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