Remote code execution in Jupyter Server Proxy

1) Missing Authentication for Critical Function

EUVDB-ID: #VU87655

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 - Missing Authentication for Critical Function

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:jupyterhub:jupyter_server_proxy:3.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:jupyterhub:jupyter_server_proxy:3.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:jupyterhub:jupyter_server_proxy:3.2.2:*:*:*:*:*:*:*

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.