#VU87655 Missing Authentication for Critical Function in Jupyter Server Proxy - CVE-2024-28179

Vulnerability identifier: #VU87655

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-28179

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Jupyter Server Proxy
Server applications / Other server solutions

Vendor: jupyterhub

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a missing authentication check in the jupyter-server-proxy. A remote attacker can access to any websocket endpoint set up to be accessible and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jupyter Server Proxy: 3.2.0 - 4.1.0

---

External links
https://github.com/jupyterhub/jupyter-server-proxy/security/advisories/GHSA-w3vc-fx9p-wp4v

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.