جزئیات آسیب‌پذیری

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FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.5.2-stable and 2.0.1-beta, file read handling in backend/pkg/indexing/indexingFiles.go resolves symbolic links through GetRealPath without confirming that the resolved target remains inside the source root and the user's authorized scope. Download, preview, media, OnlyOffice, and public-share read flows that enable FollowSymlinks can therefore serve an out-of-scope target through a reachable in-scope symlink. An authenticated user with download access can read server-accessible files outside the assigned scope, and a holder of a public share link can do the same without an account when the shared directory exposes such a symlink. This issue is fixed in 1.5.2-stable and 2.0.1-beta.

• https://github.com/gtsteffaniak/filebrowser/pull/2795 x_refsource_MISC
• https://github.com/gtsteffaniak/filebrowser/pull/2800 x_refsource_MISC
• https://github.com/gtsteffaniak/filebrowser/commit/3c8c02414eefd3351ffe437fa39ff6eb150ffa67 x_refsource_MISC
• https://github.com/gtsteffaniak/filebrowser/commit/4126edeb07a015c3809a89249b283e07a4e50c38 x_refsource_MISC
• https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.5.2-stable x_refsource_MISC
• https://github.com/gtsteffaniak/filebrowser/releases/tag/v2.0.1-beta x_refsource_MISC
• https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-mgqf-5mf5-prfj x_refsource_CONFIRM