ghsa-m252-hx7q-7p3h
Vulnerability from github
Published
2022-05-24 17:43
Modified
2022-05-24 17:43
Details

A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the conversion of the crafted file from PPTT into PPTX format. Using the chain of two other bugs related to improper string handling, a remote attacker can obtain remote code execution on DocumentServer.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2021-25831"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-03-01T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the conversion of the crafted file from PPTT into PPTX format. Using the chain of two other bugs related to improper string handling, a remote attacker can obtain remote code execution on DocumentServer.",
  "id": "GHSA-m252-hx7q-7p3h",
  "modified": "2022-05-24T17:43:24Z",
  "published": "2022-05-24T17:43:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-25831"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/DocumentServer"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/core"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L1918"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/Editor/BinaryFileReaderWriter.cpp#L241"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/core/blob/v5.6.4.13/ASCOfficePPTXFile/PPTXFormat/Logic/Fills/BlipFill.cpp#L328"
    },
    {
      "type": "WEB",
      "url": "https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25831"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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