{
  "schema_version": "1.4.0",
  "id": "GHSA-f4rq-cvc9-g327",
  "modified": "2022-05-24T22:01:28Z",
  "published": "2022-05-24T22:01:28Z",
  "aliases": [
    "CVE-2021-25833"
  ],
  "summary": "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890",
  "details": "A file extension handling issue was found in [server] module of ONLYOFFICE DocumentServer v4.2.0.71-v5.6.0.21. The file extension is controlled by an attacker through the request data and leads to arbitrary file overwriting. Using this vulnerability, a remote attacker can obtain remote code execution on DocumentServer.\n\nUPDATE!",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-25833"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/DocumentServer"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/server"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593"
    },
    {
      "type": "WEB",
      "url": "https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-79"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-03-01T16:15:00Z"
  }
}