CVE-2022-39339

user_oidc is an OpenID Connect user backend for Nextcloud. In versions prior to 1.2.1 sensitive information such as the OIDC client credentials and tokens are sent in plain text of HTTP without TLS. Any malicious actor with access to monitor user traffic may have been able to compromise account security. This issue has been addressed in in user_oidc v1.2.1. Users are advised to upgrade. Users unable to upgrade may use https to access Nextcloud. Set an HTTPS discovery URL in the provider settings (in Nextcloud OIDC admin settings).

CVSS v3.0 4.3 MEDIUM

4.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://hackerone.com/reports/1687005	Permissions Required Third Party Advisory
https://github.com/nextcloud/user_oidc/pull/495	Patch Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vff-cq8h-chhg	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:nextcloud:openid_connect_user_backend:*:*:*:*:*:nextcloud:*:*

Information

Published : 2022-11-25 11:15

Updated : 2022-12-01 12:43

NVD link : CVE-2022-39339

Mitre link : CVE-2022-39339

JSON object : View

CWE

CWE-319

Cleartext Transmission of Sensitive Information

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Products Affected

nextcloud

openid_connect_user_backend

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