https://bugzilla.suse.com/show_bug.cgi?id=1214181 Bug ID: 1214181 Summary: VUL-0: CVE-2023-39952: nextcloud: unrestricted subfolder access despite advanced permission checks Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.4 Hardware: Other URL: https://smash.suse.de/issue/374976/ OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Security Assignee: ecsos@schirra.net Reporter: carlos.lopez@suse.com QA Contact: security-team@suse.de Target Milestone: --- Found By: --- Blocker: --- 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-cq... https://github.com/nextcloud/server/pull/38890 https://hackerone.com/reports/1808079 -- You are receiving this mail because: You are on the CC list for the bug.