ghsa-vmcc-4p4x-x7wg
Vulnerability from github
Published
2022-05-14 03:20
Modified
2023-10-06 17:20
Severity ?
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Matrix Synapse DoS
Details

Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 263 - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "matrix-synapse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.28.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-10657"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-25T19:54:26Z",
    "nvd_published_at": "2018-05-02T16:29:00Z",
    "severity": "HIGH"
  },
  "details": "Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2\u003csup\u003e63\u003c/sup\u003e - 1 render rooms unusable, related to `federation/federation_base.py` and `handlers/message.py`, as exploited in the wild in April 2018.",
  "id": "GHSA-vmcc-4p4x-x7wg",
  "modified": "2023-10-06T17:20:39Z",
  "published": "2022-05-14T03:20:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-10657"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87eb"
    },
    {
      "type": "WEB",
      "url": "https://docs.google.com/document/d/1I3fi2S-XnpO45qrpCsowZv8P8dHcNZ4fsBsbOW7KABI/edit#heading=h.fj95ykuss7s1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/matrix-org/synapse"
    },
    {
      "type": "WEB",
      "url": "https://matrix.org/blog/2018/05/01/security-update-synapse-0-28-1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Matrix Synapse DoS"
}


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