{
  "id": "CVE-2017-0887",
  "sourceIdentifier": "support@hackerone.com",
  "published": "2017-04-05T20:59:00.337",
  "lastModified": "2024-11-21T03:03:49.727",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nextcloud Server before 9.0.55 and 10.0.2 suffers from a bypass in the quota limitation. Due to not properly sanitizing values provided by the `OC-Total-Length` HTTP header an authenticated adversary may be able to exceed their configured user quota. Thus using more space than allowed by the administrator."
    },
    {
      "lang": "es",
      "value": "Nextcloud Server en versiones anteriores a 9.0.55 y 10.0.2 Sufre una evasi\u00f3n en la limitaci\u00f3n de cuota. Debido a que no se desinfectan correctamente los valores proporcionados por la cabecera \"OC-Total-Length\" HTTP, un adversario autenticado puede superar su cuota de usuario configurada. As\u00ed, utilizando m\u00e1s espacio que el permitido por el administrador."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "baseScore": 4.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "support@hackerone.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-807"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "9.0.55",
              "matchCriteriaId": "07CE12C8-1079-4C0F-98CA-9F00E9EDE6F4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "10.0.0",
              "versionEndExcluding": "10.0.2",
              "matchCriteriaId": "0B548573-E880-48B6-8189-9901FB63F70F"
            }
          ]
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      ]
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  ],
  "references": [
    {
      "url": "https://hackerone.com/reports/173622",
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2017-005",
      "source": "support@hackerone.com",
      "tags": [
        "Broken Link",
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://hackerone.com/reports/173622",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2017-005",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Patch",
        "Vendor Advisory"
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}