cve-2023-32682
Vulnerability from cvelistv5
Published
2023-06-06 18:20
Modified
2024-08-02 15:25
Summary
Improper checks for deactivated users during login in synapse
Impacted products
Vendor Product Version
Show details on NVD website


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          "shortName": "CVE"
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            "name": "https://github.com/matrix-org/synapse/security/advisories/GHSA-26c5-ppr8-f33p",
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          {
            "name": "https://github.com/matrix-org/synapse/pull/15624",
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            "url": "https://github.com/matrix-org/synapse/pull/15624"
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
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          "product": "synapse",
          "vendor": "matrix-org",
          "versions": [
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              "status": "affected",
              "version": "\u003c 1.85.0"
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          "value": "Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the `jwt_config.enabled` configuration setting. 2. The local password database is enabled via the `password_config.enabled` and `password_config.localdb_enabled` configuration settings *and* a user\u0027s password is updated via an admin API after a user is deactivated. Note that the local password database is enabled by default, but it is uncommon to set a user\u0027s password after they\u0027ve been deactivated. Installations that are configured to only allow login via Single Sign-On (SSO) via CAS, SAML or OpenID Connect (OIDC); or via an external password provider (e.g. LDAP) are not affected. If not using JSON Web Tokens, ensure that deactivated users do not have a password set. This issue has been addressed in version 1.85.0. Users are advised to upgrade."
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      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
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          "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-26c5-ppr8-f33p"
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          "url": "https://github.com/matrix-org/synapse/pull/15624"
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          "tags": [
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          ],
          "url": "https://github.com/matrix-org/synapse/pull/15634"
        },
        {
          "name": "https://matrix-org.github.io/synapse/latest/admin_api/user_admin_api.html#create-or-modify-account",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://matrix-org.github.io/synapse/latest/admin_api/user_admin_api.html#create-or-modify-account"
        },
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          "tags": [
            "x_refsource_MISC"
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          "url": "https://matrix-org.github.io/synapse/latest/jwt.html"
        },
        {
          "name": "https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#password_config",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#password_config"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6DH5A5YEB5LRIPP32OUW25FCGZFCZU2/"
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      ],
      "source": {
        "advisory": "GHSA-26c5-ppr8-f33p",
        "discovery": "UNKNOWN"
      },
      "title": "Improper checks for deactivated users during login in synapse"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-32682",
    "datePublished": "2023-06-06T18:20:14.377Z",
    "dateReserved": "2023-05-11T16:33:45.731Z",
    "dateUpdated": "2024-08-02T15:25:36.434Z",
    "state": "PUBLISHED"
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  }
}


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