nvd-json-data-feeds/CVE-2020/CVE-2020-262xx/CVE-2020-26261.json

{
  "id": "CVE-2020-26261",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2020-12-09T17:15:30.603",
  "lastModified": "2024-11-21T05:19:41.350",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "jupyterhub-systemdspawner enables JupyterHub to spawn single-user notebook servers using systemd. In jupyterhub-systemdspawner before version 0.15 user API tokens issued to single-user servers are specified in the environment of systemd units. These tokens are incorrectly accessible to all users. In particular, the-littlest-jupyterhub is affected, which uses systemdspawner by default. This is patched in jupyterhub-systemdspawner v0.15"
    },
    {
      "lang": "es",
      "value": "jupyterhub-systemdspawner permite que JupyterHub genere servidores de port\u00e1tiles de un solo usuario utilizando systemd. En jupyterhub-systemdspawner, versiones anteriores a 0.15, los tokens de la API de usuario emitidos a servidores de un solo usuario son especificados en el entorno de las unidades systemd. Estos tokens son incorrectamente accesibles para todos los usuarios. En particular, est\u00e1 afectado the-littlest-jupyterhub, que usa systemdspawner por defecto. Esto est\u00e1 parcheado en jupyterhub-systemdspawner versi\u00f3n v0.15"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "security-advisories@github.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
          "baseScore": 7.9,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 5.8
      },
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
          "baseScore": 7.9,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 5.8
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:N",
          "baseScore": 3.3,
          "accessVector": "LOCAL",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE"
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.4,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "security-advisories@github.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:jupyterhub:systemdspawner:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "0.15",
              "matchCriteriaId": "175655AE-2247-4426-8AE8-0AD5532FBC50"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/jupyterhub/systemdspawner/blob/master/CHANGELOG.md#v015",
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/jupyterhub/systemdspawner/commit/a4d08fd2ade1cfd0ef2c29dc221e649345f23580",
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/jupyterhub/systemdspawner/security/advisories/GHSA-cg54-gpgr-4rm6",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://pypi.org/project/jupyterhub-systemdspawner/",
      "source": "security-advisories@github.com",
      "tags": [
        "Product",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/jupyterhub/systemdspawner/blob/master/CHANGELOG.md#v015",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/jupyterhub/systemdspawner/commit/a4d08fd2ade1cfd0ef2c29dc221e649345f23580",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/jupyterhub/systemdspawner/security/advisories/GHSA-cg54-gpgr-4rm6",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://pypi.org/project/jupyterhub-systemdspawner/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product",
        "Third Party Advisory"
      ]
    }
  ]
}