CVE-2023-30626: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Jellyfin is a free-software media system. Versions starting with 10.8.0 and prior to 10.8.10 and prior have a directory traversal vulnerability inside the ClientLogController, specifically /ClientLog/Document. When combined with a cross-site scripting vulnerability (CVE-2023-30627), this can result in file write and arbitrary code execution. Version 10.8.10 has a patch for this issue. There are no known workarounds.
References
- github.com/advisories/GHSA-9p5f-5x8v-x65m
- github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq
- github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogController.cs
- github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7
- github.com/jellyfin/jellyfin/pull/5918
- github.com/jellyfin/jellyfin/releases/tag/v10.8.10
- github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m
- nvd.nist.gov/vuln/detail/CVE-2023-30626
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