{
  "schema_version": "1.4.0",
  "id": "GHSA-g265-v379-5vwj",
  "modified": "2022-05-13T01:38:26Z",
  "published": "2022-05-13T01:38:26Z",
  "aliases": [
    "CVE-2017-0883"
  ],
  "details": "Nextcloud Server before 9.0.55 and 10.0.2 suffers from a permission increase on re-sharing via OCS API issue. A permission related issue within the OCS sharing API allowed an authenticated adversary to reshare shared files with an increasing permission set. This may allow an attacker to edit files in a share despite having only a 'read' permission set. Note that this only affects folders and files that the adversary has at least read-only permissions for.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-0883"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/169680"
    },
    {
      "type": "WEB",
      "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2017-001"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-732"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-04-05T20:59:00Z"
  }
}