Bugzilla – Bug 1214181
VUL-0: CVE-2023-39952: nextcloud: unrestricted subfolder access despite advanced permission checks
Last modified: 2024-04-16 08:10:09 UTC
CVE-2023-39952 Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1, a user can access files inside a subfolder of a groupfolder accessible to them, even if advanced permissions would block access to the subfolder. Nextcloud Server versions 25.0.8, 26.0.3, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1 contain a patch for this issue. No known workarounds are available. References: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-39952 https://bugzilla.redhat.com/show_bug.cgi?id=2231145 https://www.cve.org/CVERecord?id=CVE-2023-39952 https://github.com/nextcloud/groupfolders/issues/1906 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-cq8w-v4fh-4rjq https://github.com/nextcloud/server/pull/38890 https://hackerone.com/reports/1808079
All versions < 27 are end of life. Version 28.0.4 os in devel and factory. I have no rights for SLE. osc mbranch only show sle. So no more i can do.