CVE-2023-48306

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and starting in version 22.0.0 and prior to versions 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Enterprise Server, the DNS pin middleware was vulnerable to DNS rebinding allowing an attacker to perform SSRF as a final result. Nextcloud Server 25.0.11, 26.0.6, and 27.1.0 and Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 contain patches for this issue. No known workarounds are available.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8f69-f9jg-4x3v	Vendor Advisory
https://github.com/nextcloud/server/pull/40234	Exploit Issue Tracking Patch
https://hackerone.com/reports/2115212	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::-:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::-:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::-:::*
	cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::*

History

No history.

Information

Published : 2023-11-21 23:15

Updated : 2023-11-30 16:07

NVD link : CVE-2023-48306

Mitre link : CVE-2023-48306

CVE.ORG link : CVE-2023-48306

JSON object : View

Products Affected

nextcloud

nextcloud_server

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and starting in version 22.0.0 and prior to versions 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Enterprise Server, the DNS pin middleware was vulnerable to DNS rebinding allowing an attacker to perform SSRF as a final result. Nextcloud Server 25.0.11, 26.0.6, and 27.1.0 and Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 contain patches for this issue. No known workarounds are available."}, {"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 25.0.11, 26.0.6 y 27.1.0 de Nextcloud Server y a partir de la versi\u00f3n 22.0.0 y anteriores a las versiones 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0. 11, 26.0.6 y 27.1.0 de Nextcloud Enterprise Server, el middleware de pines de DNS era vulnerable a la nueva vinculaci\u00f3n de DNS, lo que permit\u00eda a un atacante realizar SSRF como resultado final. Nextcloud Server 25.0.11, 26.0.6 y 27.1.0 y Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6 y 27.1.0 contienen parches para este problema. 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