Path traversal in Jellyfin - CVE-2023-30626
Published: April 26, 2023
Vulnerability identifier: #VU75524
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-30626
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Jellyfin
Jellyfin
Software vendor:
Jellyfin
Jellyfin
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can send a specially crafted HTTP request and read arbitrary files on the system, leading to arbitrary code execution.
Remediation
Install update from vendor's website.
External links
- https://github.com/jellyfin/jellyfin/security/advisories/GHSA-9p5f-5x8v-x65m
- https://github.com/jellyfin/jellyfin/pull/5918
- https://github.com/jellyfin/jellyfin/commit/82ad2633fdfb1c37a158057c7935f83e1129eda7
- https://github.com/jellyfin/jellyfin/blob/22d880662283980dec994cd7d35fe269613bfce3/Jellyfin.Api/Controllers/ClientLogController.cs#L44
- https://github.com/jellyfin/jellyfin/releases/tag/v10.8.10
- https://github.com/jellyfin/jellyfin-web/security/advisories/GHSA-89hp-h43h-r5pq