CVE-2023-39954

user_oidc app stores client secret unencrypted in database

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, 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.

Category

3.8
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.37%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2023-39954?
CVE-2023-39954 has been scored as a low severity vulnerability.
How to fix CVE-2023-39954?
To fix CVE-2023-39954, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-39954 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-39954 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-39954?
CVE-2023-39954 affects nextcloud security-advisories.
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