FKIE_CVE-2016-9462

Vulnerability from fkie_nvd - Published: 2017-03-28 02:59 - Updated: 2026-06-17 00:56
Severity
4.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.
References
support@hackerone.comhttp://www.securityfocus.com/bid/97285Third Party Advisory, VDB Entry
support@hackerone.comhttps://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5eIssue Tracking, Patch, Third Party Advisory
support@hackerone.comhttps://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4cIssue Tracking, Patch, Third Party Advisory
support@hackerone.comhttps://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13Issue Tracking, Patch, Third Party Advisory
support@hackerone.comhttps://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6eIssue Tracking, Patch, Third Party Advisory
support@hackerone.comhttps://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1Issue Tracking, Patch, Third Party Advisory
support@hackerone.comhttps://hackerone.com/reports/146067Exploit, Third Party Advisory
support@hackerone.comhttps://nextcloud.com/security/advisory/?id=nc-sa-2016-005Patch, Vendor Advisory
support@hackerone.comhttps://owncloud.org/security/advisory/?id=oc-sa-2016-015Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/97285Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5eIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4cIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6eIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/146067Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://nextcloud.com/security/advisory/?id=nc-sa-2016-005Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://owncloud.org/security/advisory/?id=oc-sa-2016-015Patch, Vendor Advisory
Impacted products
Vendor Product Version
nextcloud nextcloud_server *
owncloud owncloud *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Nextcloud Server \u0026 ownCloud Server Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Nextcloud Server \u0026 ownCloud Server Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4"
            }
          ]
        }
      ],
      "source": "support@hackerone.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DC479D9A-DAEB-42B6-98D7-0A417B34359D",
              "versionEndExcluding": "9.0.52",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3FAD2663-CE0E-4AB0-90C5-D47124458AAC",
              "versionEndExcluding": "9.0.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nextcloud Server before 9.0.52 \u0026 ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions."
    },
    {
      "lang": "es",
      "value": "Nextcloud Server en versiones anteriores a 9.0.52 \u0026 ownCloud Server en versiones anteriores a 9.0.4 no est\u00e1n verificando correctamente los privilegios de restauraci\u00f3n al restaurar un archivo. La capacidad de restauraci\u00f3n de Nextcloud/ownCloud no estaba verificando si un usuario s\u00f3lo tiene acceso de s\u00f3lo lectura a un recurso compartido. As\u00ed, un usuario con acceso de s\u00f3lo lectura fue capaz de restaurar versiones antiguas."
    }
  ],
  "id": "CVE-2016-9462",
  "lastModified": "2026-06-17T00:56:06.977",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/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
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-03-28T02:59:00.887",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/97285"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/146067"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2016-005"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://owncloud.org/security/advisory/?id=oc-sa-2016-015"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/97285"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/146067"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2016-005"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://owncloud.org/security/advisory/?id=oc-sa-2016-015"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-275"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Nomenclature

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