CVE-2023-39954

user_oidc app stores client secret unencrypted in database

CVSS 3.8 LOWEPSS 0.4%CWE-311

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:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Affected products

nextcloud · security-advisories

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References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq https://github.com/nextcloud/user_oidc/pull/636 https://hackerone.com/reports/1994328