FKIE_CVE-2018-3762

Vulnerability from fkie_nvd - Published: 2018-07-05 16:29 - Updated: 2024-11-21 04:06
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.
References
support@hackerone.comhttps://hackerone.com/reports/358339Third Party Advisory
support@hackerone.comhttps://nextcloud.com/security/advisory/?id=nc-sa-2018-002Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/358339Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://nextcloud.com/security/advisory/?id=nc-sa-2018-002Broken Link, Vendor Advisory
Impacted products
Vendor Product Version
nextcloud nextcloud_server *
nextcloud nextcloud_server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8CEE07AB-CFB8-41CB-85E7-06FF3977DD2B",
              "versionEndExcluding": "12.0.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4C66EEA7-59A5-4F3B-ADC3-5A7422B1FBC0",
              "versionEndExcluding": "13.0.3",
              "versionStartIncluding": "13.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to."
    },
    {
      "lang": "es",
      "value": "Nextcloud Server en versiones anteriores a la 12.0.8 y la 13.0.3 sufre de comprobaciones incorrectas de permisos abandonados para comparticiones entrantes, lo que permite que un usuario pueda seguir solicitando previsualizaciones de archivos a los que no deber\u00eda tener acceso."
    }
  ],
  "id": "CVE-2018-3762",
  "lastModified": "2024-11-21T04:06:01.780",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-07-05T16:29:00.470",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/358339"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-002"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/358339"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-002"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-281"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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