CVE-2023-39954

user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, an attacker that obtained at least read access to a snapshot of the database can impersonate the Nextcloud server towards linked servers. user_oidc 1.3.3 contains a patch. No known workarounds are available.

CVSS v3 3.8 LOW

3.8^/10

CVSS v3 : LOW

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq	Patch Vendor Advisory
https://github.com/nextcloud/user_oidc/pull/636	Patch
https://hackerone.com/reports/1994328	Permissions Required
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq	Patch Vendor Advisory
https://github.com/nextcloud/user_oidc/pull/636	Patch
https://hackerone.com/reports/1994328	Permissions Required

Configurations

Configuration 1 (hide)

cpe:2.3:a:nextcloud:user_oidc:*:*:*:*:*:*:*:*

History

21 Nov 2024, 08:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~8.1~~	v2 : unknown v3 : 3.8
Summary		(es) user_oidc proporciona el backend de usuario de conexión OIDC para Nextcloud, una plataforma en la nube de código abierto. A partir de la versión 1.0.0 y antes de la versión 1.3.3, un atacante que haya obtenido al menos acceso de lectura a una instantánea de la base de datos puede suplantar la identidad del servidor Nextcloud ante servidores vinculados. user_oidc 1.3.3 contiene un parche. No se conocen soluciones disponibles.
References	~~() https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq - Patch, Vendor Advisory~~	() https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq - Patch, Vendor Advisory
References	~~() https://github.com/nextcloud/user_oidc/pull/636 - Patch~~	() https://github.com/nextcloud/user_oidc/pull/636 - Patch
References	~~() https://hackerone.com/reports/1994328 - Permissions Required~~	() https://hackerone.com/reports/1994328 - Permissions Required

Information

Published : 2023-08-10 15:15

Updated : 2024-11-21 08:16

NVD link : CVE-2023-39954

Mitre link : CVE-2023-39954

CVE.ORG link : CVE-2023-39954

JSON object : View

Products Affected

nextcloud

user_oidc

CWE

CWE-311

Missing Encryption of Sensitive Data

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3.8 /10