Path Traversal in Owncast
CVE-2024-31450
Owncast is an open source, self-hosted, decentralized, single user live video streaming and chat server. The Owncast application exposes an administrator API at the URL /api/admin. The emoji/delete endpoint of said API allows administrators to delete custom emojis, which are saved on disk. The parameter name is taken from the JSON request and directly appended to the filepath that points to the emoji to delete. By using path traversal sequences (../), attackers with administrative privileges can exploit this endpoint to delete arbitrary files on the system, outside of the emoji directory. This vulnerability is fixed in 0.1.3.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.010 (60.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Owncast — versions < 0.1.3
- Owncast Project
Weakness classification (CWE)
References
- securitylab.github.com/advisories/GHSL-2023-277_Owncast/ (Exploit, Third Party Advisory)
- github.com/owncast/owncast/commit/1b14800c7d7f54be14ed4d130bfe7f480645076e (Patch)
- github.com/owncast/owncast/blob/v0.1.2/controllers/admin/emoji.go (Product)
- github.com/owncast/owncast/releases/tag/v0.1.3 (Release Notes)
Frequently asked questions
- What is CVE-2024-31450?
- CVE-2024-31450 is a low-severity vulnerability in Owncast, classified under Path Traversal. CVSS score: 2.7/10. Published 2024-04-19.
- How severe is CVE-2024-31450?
- Low severity. CVSS v3 base score is 2.7 out of 10.