CVE-2018-3762

{"containers": {"cna": {"affected": [{"product": "Nextcloud Server", "vendor": "Nextcloud", "versions": [{"status": "affected", "version": "<13.0.3, <12.0.8"}]}], "datePublic": "2018-06-21T00:00:00.000Z", "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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "Improper Access Control - Generic (CWE-284)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2018-07-05T15:57:01.000Z", "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-002"}, {"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/358339"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "support@hackerone.com", "ID": "CVE-2018-3762", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Nextcloud Server", "version": {"version_data": [{"version_value": "<13.0.3, <12.0.8"}]}}]}, "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 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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper Access Control - Generic (CWE-284)"}]}]}, "references": {"reference_data": [{"name": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-002", "refsource": "CONFIRM", "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-002"}, {"name": "https://hackerone.com/reports/358339", "refsource": "MISC", "url": "https://hackerone.com/reports/358339"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T04:50:30.641Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-002"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/358339"}]}]}, "cveMetadata": {"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "assignerShortName": "hackerone", "cveId": "CVE-2018-3762", "datePublished": "2018-07-05T16:00:00.000Z", "dateReserved": "2017-12-28T00:00:00.000Z", "dateUpdated": "2024-08-05T04:50:30.641Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Nextcloud Server", "vendor": "Nextcloud", "versions": [{"status": "affected", "version": "<13.0.3, <12.0.8"}]}], "source": "support@hackerone.com"}], "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": "2026-06-17T01:57:47.320", "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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