Vulnerability Description
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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Openid Connect User Backend | < 1.2.1 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vff-cPatchThird Party Advisory
- https://github.com/nextcloud/user_oidc/pull/495PatchThird Party Advisory
- https://hackerone.com/reports/1687005Permissions RequiredThird Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vff-cPatchThird Party Advisory
- https://github.com/nextcloud/user_oidc/pull/495PatchThird Party Advisory
- https://hackerone.com/reports/1687005Permissions RequiredThird Party Advisory
FAQ
What is CVE-2022-39339?
CVE-2022-39339 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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. A...
How severe is CVE-2022-39339?
CVE-2022-39339 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-39339?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Openid Connect User Backend.