CVE-2024-43801
Jellyfin Cross-Site Scripting (XSS) via SVG Image Upload
Description
Jellyfin is an open source self hosted media server. The Jellyfin user profile image upload accepts SVG files, allowing for a stored XSS attack against an admin user via a specially crafted malicious SVG file. When viewed by an admin outside of the Jellyfin Web UI (e.g. via "view image" in a browser), this malicious SVG file could interact with the browser's LocalStorage and retrieve an AccessToken, which in turn can be used in an API call to elevate the target user to a Jellyfin administrator. The actual attack vector is unlikely to be exploited, as it requires specific actions by the administrator to view the SVG image outside of Jellyfin's WebUI, i.e. it is not a passive attack. The underlying exploit mechanism is solved by PR #12490, which forces attached images (including the potential malicious SVG) to be treated as attachments and thus downloaded by browsers, rather than viewed. This prevents exploitation of the LocalStorage of the browser. This PR has been merged and the relevant code changes are included in release version 10.9.10. All users are advised to upgrade.
INFO
Published Date :
Sept. 2, 2024, 6:15 p.m.
Last Modified :
Oct. 1, 2024, 3:25 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.3
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-43801.
| URL | Resource |
|---|---|
| https://github.com/jellyfin/jellyfin/pull/12490 | Issue Tracking Patch |
| https://github.com/jellyfin/jellyfin/security/advisories/GHSA-vcmh-9wx9-rfqh | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-43801 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-43801 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Oct. 01, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://github.com/jellyfin/jellyfin/pull/12490 No Types Assigned https://github.com/jellyfin/jellyfin/pull/12490 Issue Tracking, Patch Changed Reference Type https://github.com/jellyfin/jellyfin/security/advisories/GHSA-vcmh-9wx9-rfqh No Types Assigned https://github.com/jellyfin/jellyfin/security/advisories/GHSA-vcmh-9wx9-rfqh Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:* versions from (including) 10.8.0 up to (including) 10.9.10 -
CVE Received by [email protected]
Sep. 02, 2024
Action Type Old Value New Value Added Description Jellyfin is an open source self hosted media server. The Jellyfin user profile image upload accepts SVG files, allowing for a stored XSS attack against an admin user via a specially crafted malicious SVG file. When viewed by an admin outside of the Jellyfin Web UI (e.g. via "view image" in a browser), this malicious SVG file could interact with the browser's LocalStorage and retrieve an AccessToken, which in turn can be used in an API call to elevate the target user to a Jellyfin administrator. The actual attack vector is unlikely to be exploited, as it requires specific actions by the administrator to view the SVG image outside of Jellyfin's WebUI, i.e. it is not a passive attack. The underlying exploit mechanism is solved by PR #12490, which forces attached images (including the potential malicious SVG) to be treated as attachments and thus downloaded by browsers, rather than viewed. This prevents exploitation of the LocalStorage of the browser. This PR has been merged and the relevant code changes are included in release version 10.9.10. All users are advised to upgrade. Added Reference GitHub, Inc. https://github.com/jellyfin/jellyfin/security/advisories/GHSA-vcmh-9wx9-rfqh [No types assigned] Added Reference GitHub, Inc. https://github.com/jellyfin/jellyfin/pull/12490 [No types assigned] Added CWE GitHub, Inc. CWE-200 Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-43801 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-43801
weaknesses.