ghsa-jrqm-v8cv-53ww
Vulnerability from github
Published
2022-05-13 01:08
Modified
2024-09-24 15:41
Severity ?
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
Matrix Synapse Predictable Secret Key
Details

Matrix Synapse before 0.34.0.1, when the macaroon_secret_key authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "matrix-synapse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.34.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-5885"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-330"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-19T20:18:22Z",
    "nvd_published_at": "2019-03-21T16:01:00Z",
    "severity": "HIGH"
  },
  "details": "Matrix Synapse before 0.34.0.1, when the `macaroon_secret_key` authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users.",
  "id": "GHSA-jrqm-v8cv-53ww",
  "modified": "2024-09-24T15:41:47Z",
  "published": "2022-05-13T01:08:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-5885"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/issues/4664"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/pull/4315"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/pull/4373"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/matrix-org/synapse"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/synapse/blob/67f9e5293ea6650b2ec284c0b7503f3f3eade94b/docs/changelogs/CHANGES-pre-1.0.md?plain=1#L460"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2019-187.yaml"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/32Y6KD3OAHCG5P33HC2QEX3NUZOSXCGZ"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VMCLO5PUPBA756UKY72PKUWL4RRM4W6K"
    },
    {
      "type": "WEB",
      "url": "https://matrix.org/blog/2019/01/10/critical-security-update-synapse-0-34-0-1-synapse-0-34-1-1"
    },
    {
      "type": "WEB",
      "url": "https://matrix.org/blog/2019/01/15/further-details-on-critical-security-update-in-synapse-affecting-all-versions-prior-to-0-34-1-cve-2019-5885"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Matrix Synapse Predictable Secret Key"
}


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