cve-2023-48239
Vulnerability from cvelistv5
Published
2023-11-21 21:02
Modified
2024-08-02 21:23
Severity ?
8.5 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
Summary
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and starting in version 20.0.0 and prior to versions 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0.12.12, 24.0.12.8, 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Enterprise Server, a malicious user could update any personal or global external storage, making them inaccessible for everyone else as well. Nextcloud Server 25.0.13, 26.0.8, and 27.1.3 and Nextcloud Enterprise Server is upgraded to 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0.12.12, 24.0.12.8, 25.0.13, 26.0.8, and 27.1.3 contain a patch for this issue. As a workaround, disable app files_external. This workaround also makes the external storage inaccessible but retains the configurations until a patched version has been deployed.
References
security-advisories@github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-f962-hw26-g267Vendor Advisory
security-advisories@github.comhttps://github.com/nextcloud/server/pull/41123Patch
security-advisories@github.comhttps://hackerone.com/reports/2212627Exploit
af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/security-advisories/security/advisories/GHSA-f962-hw26-g267Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/server/pull/41123Patch
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/2212627Exploit
Impacted products
Vendor Product Version
Show details on NVD website

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As a workaround, disable app files_external. This workaround also makes the external storage inaccessible but retains the configurations until a patched version has been deployed.\"},{\"lang\":\"es\",\"value\":\"Nextcloud Server proporciona almacenamiento de datos para Nextcloud, una plataforma en la nube de c\u00f3digo abierto. A partir de la versi\u00f3n 25.0.0 y anteriores a las versiones 25.0.13, 26.0.8 y 27.1.3 de Nextcloud Server y a partir de la versi\u00f3n 20.0.0 y anteriores a las versiones 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0. 12.12, 24.0.12.8, 25.0.13, 26.0.8 y 27.1.3 de Nextcloud Enterprise Server, un usuario malintencionado podr\u00eda actualizar cualquier almacenamiento externo personal o global, haci\u00e9ndolo inaccesible para todos los dem\u00e1s tambi\u00e9n. Nextcloud Server 25.0.13, 26.0.8 y 27.1.3 y Nextcloud Enterprise Server se actualizan a 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0.12.12, 24.0.12.8, 25.0.13, 26.0.8 y 27.1.3 contiene un parche para este problema. Como workaround, deshabilite la aplicaci\u00f3n files_external. Este workaround tambi\u00e9n hace que el almacenamiento externo sea inaccesible, pero conserva las configuraciones hasta que se implemente una versi\u00f3n parcheada.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H\",\"baseScore\":8.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.1,\"impactScore\":4.7},{\"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:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"20.0.0\",\"versionEndExcluding\":\"20.0.14.16\",\"matchCriteriaId\":\"53E6089A-43CF-4BA9-8E71-66AD372F97B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"21.0.0\",\"versionEndExcluding\":\"21.0.9.13\",\"matchCriteriaId\":\"14CB262E-1288-40F8-ACC3-2F2E507B4362\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"22.0.0\",\"versionEndExcluding\":\"22.2.10.15\",\"matchCriteriaId\":\"AD202AE1-C1D0-470E-82F4-305403CA9165\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"23.0.0\",\"versionEndExcluding\":\"23.0.12.12\",\"matchCriteriaId\":\"68F9F9CF-1C49-48BF-91BC-0B909EE16EBA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"24.0.0\",\"versionEndExcluding\":\"24.0.12.8\",\"matchCriteriaId\":\"AE7711B7-3AD8-4DD5-8D15-A082BF5789DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"25.0.0\",\"versionEndExcluding\":\"25.0.13\",\"matchCriteriaId\":\"29861543-C0E0-4AE0-AB80-D355F7C87BC0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"25.0.0\",\"versionEndExcluding\":\"25.0.13\",\"matchCriteriaId\":\"022E939C-D0FF-4B15-B196-2E31648A6D7F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"26.0.0\",\"versionEndExcluding\":\"26.0.8\",\"matchCriteriaId\":\"11421EAE-68EA-4372-8AC0-F5A1E40A9351\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"26.0.0\",\"versionEndExcluding\":\"26.0.8\",\"matchCriteriaId\":\"73E25AF9-5CCD-45F9-AAB0-AFEF607B0F32\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"27.0.0\",\"versionEndExcluding\":\"27.1.3\",\"matchCriteriaId\":\"DBD45C73-377F-4B88-BE87-1BBD9236CAEC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"27.0.0\",\"versionEndExcluding\":\"27.1.3\",\"matchCriteriaId\":\"0584A036-2006-4032-85CA-673B4547F7EA\"}]}]}],\"references\":[{\"url\":\"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-f962-hw26-g267\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/nextcloud/server/pull/41123\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://hackerone.com/reports/2212627\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Exploit\"]},{\"url\":\"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-f962-hw26-g267\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/nextcloud/server/pull/41123\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://hackerone.com/reports/2212627\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\"]}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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