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 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2023-08-10 15:15

Updated : 2023-08-16 19:15

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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