CVE-2018-3761 (GCVE-0-2018-3761)

Vulnerability from cvelistv5 – Published: 2018-07-05 16:00 – Updated: 2024-08-05 04:50
VLAI?
Summary
Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.
Severity ?
No CVSS data available.
CWE
  • CWE-287 - Improper Authentication - Generic (CWE-287)
Assigner
References
Impacted products
Vendor Product Version
Nextcloud Nextcloud Server Affected: <13.0.3, <12.0.8
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T04:50:30.619Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/343111"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-003"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Nextcloud Server",
          "vendor": "Nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c13.0.3, \u003c12.0.8"
            }
          ]
        }
      ],
      "datePublic": "2018-06-21T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "Improper Authentication - Generic (CWE-287)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-07-05T15:57:01",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/343111"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-003"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2018-3761",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Nextcloud Server",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c13.0.3, \u003c12.0.8"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Nextcloud"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Improper Authentication - Generic (CWE-287)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://hackerone.com/reports/343111",
              "refsource": "MISC",
              "url": "https://hackerone.com/reports/343111"
            },
            {
              "name": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-003",
              "refsource": "CONFIRM",
              "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-003"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2018-3761",
    "datePublished": "2018-07-05T16:00:00",
    "dateReserved": "2017-12-28T00:00:00",
    "dateUpdated": "2024-08-05T04:50:30.619Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"12.0.8\", \"matchCriteriaId\": \"8CEE07AB-CFB8-41CB-85E7-06FF3977DD2B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"13.0.0\", \"versionEndExcluding\": \"13.0.3\", \"matchCriteriaId\": \"4C66EEA7-59A5-4F3B-ADC3-5A7422B1FBC0\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.\"}, {\"lang\": \"es\", \"value\": \"Nextcloud Server en versiones anteriores a la 12.0.8 y la 13.0.3 sufre de una autorizaci\\u00f3n incorrecta en el endpoint del token OAuth2. La falta de comprobaciones pudo permitir la repartici\\u00f3n de nuevos tokens en caso de que el cliente OAuth2 se hubiese visto parcialmente comprometido.\"}]",
      "id": "CVE-2018-3761",
      "lastModified": "2024-11-21T04:06:01.653",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.2}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:P/A:N\", \"baseScore\": 5.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
      "published": "2018-07-05T16:29:00.407",
      "references": "[{\"url\": \"https://hackerone.com/reports/343111\", \"source\": \"support@hackerone.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://nextcloud.com/security/advisory/?id=nc-sa-2018-003\", \"source\": \"support@hackerone.com\", \"tags\": [\"Broken Link\", \"Vendor Advisory\"]}, {\"url\": \"https://hackerone.com/reports/343111\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://nextcloud.com/security/advisory/?id=nc-sa-2018-003\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "support@hackerone.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"support@hackerone.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-3761\",\"sourceIdentifier\":\"support@hackerone.com\",\"published\":\"2018-07-05T16:29:00.407\",\"lastModified\":\"2024-11-21T04:06:01.653\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.\"},{\"lang\":\"es\",\"value\":\"Nextcloud Server en versiones anteriores a la 12.0.8 y la 13.0.3 sufre de una autorizaci\u00f3n incorrecta en el endpoint del token OAuth2. La falta de comprobaciones pudo permitir la repartici\u00f3n de nuevos tokens en caso de que el cliente OAuth2 se hubiese visto parcialmente comprometido.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:N\",\"baseScore\":5.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"support@hackerone.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"12.0.8\",\"matchCriteriaId\":\"8CEE07AB-CFB8-41CB-85E7-06FF3977DD2B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.0.0\",\"versionEndExcluding\":\"13.0.3\",\"matchCriteriaId\":\"4C66EEA7-59A5-4F3B-ADC3-5A7422B1FBC0\"}]}]}],\"references\":[{\"url\":\"https://hackerone.com/reports/343111\",\"source\":\"support@hackerone.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://nextcloud.com/security/advisory/?id=nc-sa-2018-003\",\"source\":\"support@hackerone.com\",\"tags\":[\"Broken Link\",\"Vendor Advisory\"]},{\"url\":\"https://hackerone.com/reports/343111\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://nextcloud.com/security/advisory/?id=nc-sa-2018-003\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…