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CVE-2024-37300

Estado: AplazadaAlta (8.1)—

OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. JupyterHub < 5.0, when used with `GlobusOAuthenticator`, could be configured to allow all users from a particular institution only. This worked fine prior to JupyterHub 5.0, because `allow_all` did not take precedence over `identity_provider`. Since JupyterHub 5.0, `allow_all` does take precedence over `identity_provider`. On a hub with the same config, now all users will be allowed to login, regardless of `identity_provider`. `identity_provider` will basically be ignored.

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This is a documented change in JupyterHub 5.0, but is likely to catch many users by surprise. OAuthenticator 16.3.1 fixes the issue with JupyterHub 5.0, and does not affect previous versions. As a workaround, do not upgrade to JupyterHub 5.0 when using `GlobusOAuthenticator` in the prior configuration.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-37300",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-37300",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-06-12T18:00:57.680016Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "jupyterhub",
          "product": "oauthenticator",
          "versions": [
            {
              "status": "affected",
              "version": "< 16.3.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2024-06-12T16:15:12.097",
  "references": [
    {
      "url": "https://github.com/jupyterhub/oauthenticator/commit/d1aea05fa89f2beae15ab0fa0b0d071030f79654",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/jupyterhub/oauthenticator/security/advisories/GHSA-gprj-3p75-f996",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://jupyterhub.readthedocs.io/en/stable/howto/upgrading-v5.html#authenticator-allow-all-and-allow-existing-users",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/jupyterhub/oauthenticator/commit/d1aea05fa89f2beae15ab0fa0b0d071030f79654",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/jupyterhub/oauthenticator/security/advisories/GHSA-gprj-3p75-f996",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jupyterhub.readthedocs.io/en/stable/howto/upgrading-v5.html#authenticator-allow-all-and-allow-existing-users",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. JupyterHub < 5.0, when used with `GlobusOAuthenticator`, could be configured to allow all users from a particular institution only. This worked fine prior to JupyterHub 5.0, because `allow_all` did not take precedence over `identity_provider`. Since JupyterHub 5.0, `allow_all` does take precedence over `identity_provider`. On a hub with the same config, now all users will be allowed to login, regardless of `identity_provider`. `identity_provider` will basically be ignored. This is a documented change in JupyterHub 5.0, but is likely to catch many users by surprise. OAuthenticator 16.3.1 fixes the issue with JupyterHub 5.0, and does not affect previous versions. As a workaround, do not upgrade to JupyterHub 5.0 when using `GlobusOAuthenticator` in the prior configuration."
    },
    {
      "lang": "es",
      "value": "OAuthenticator es un software que permite conectar y utilizar proveedores de identidad OAuth2 con JupyterHub. JupyterHub &lt; 5.0, cuando se usa con `GlobusOAuthenticator`, se puede configurar para permitir solo a todos los usuarios de una institución en particular. Esto funcionó bien antes de JupyterHub 5.0, porque \"allow_all\" no tenía prioridad sobre \"identity_provider\". Desde JupyterHub 5.0, \"allow_all\" tiene prioridad sobre \"identity_provider\". En un centro con la misma configuración, ahora todos los usuarios podrán iniciar sesión, independientemente del `identity_provider`. Básicamente, `identity_provider` será ignorado. Este es un cambio documentado en JupyterHub 5.0, pero es probable que tome por sorpresa a muchos usuarios. OAuthenticator 16.3.1 soluciona el problema con JupyterHub 5.0 y no afecta a las versiones anteriores. Como workaround, no actualice a JupyterHub 5.0 cuando utilice `GlobusOAuthenticator` en la configuración anterior."
    }
  ],
  "lastModified": "2026-06-17T07:38:05.953",
  "sourceIdentifier": "security-advisories@github.com"
}