Security Advisory

CVE-2023-39953

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-08-10 13:55:19

Last updated 2024-10-03 15:11:48

Assigner GitHub_M

State PUBLISHED

Description

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, missing verification of the issuer would have allowed an attacker to perform a man-in-the-middle attack returning corrupted or known token they also have access to. user_oidc 1.3.3 contains a patch. No known workarounds are available.

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