ghsa-fmvh-rvq5-hhjx
Vulnerability from github
Published
2022-05-13 01:50
Modified
2023-10-06 17:19
Severity ?
8.8 (High) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Matrix Synapse Improper Signature Validation
Details

Matrix Synapse before 0.33.3.1 and 0.33.2.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "matrix-synapse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.33.3"
            },
            {
              "fixed": "0.33.3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "matrix-synapse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.33.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-16515"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-24T20:04:34Z",
    "nvd_published_at": "2018-09-18T21:29:00Z",
    "severity": "HIGH"
  },
  "details": "Matrix Synapse before 0.33.3.1 and 0.33.2.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.",
  "id": "GHSA-fmvh-rvq5-hhjx",
  "modified": "2023-10-06T17:19:32Z",
  "published": "2022-05-13T01:50:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16515"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/issues/3796#event-1833126269"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/commit/5bf8bc79ebc22c61968f2eb487714813fccbdb9b"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/commit/804dd41e18c449e711e443398b95c9f6c68b6fa2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/commit/a5a0bf5cf71caed3c4e3677d2bce667c147dadfc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/commit/c127c8d0421f0228a46ebbe280c9537e8d8ea42b"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/matrix-org/synapse"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P"
    },
    {
      "type": "WEB",
      "url": "https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Matrix Synapse Improper Signature Validation"
}


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