CVE-2023-39953
4.8MEDIUMuser_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 allow
Published: 8/10/2023Updated: 11/21/2024
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.
AI AnalysisPowered by AI
Affected Products
nextclouduser_oidc
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xx3h-v363-q36jPatchVendor Advisory
- https://github.com/nextcloud/user_oidc/pull/642Patch
- https://hackerone.com/reports/2021684Permissions Required
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xx3h-v363-q36jPatchVendor Advisory
- https://github.com/nextcloud/user_oidc/pull/642Patch
- https://hackerone.com/reports/2021684Permissions Required