jupyterhub/jupyter-remote-desktop-proxy · Security

TigerVNC accessible via the network and not just via a UNIX socket as intended

GHSA ID
GHSA-vrq4-9hc3-cgp7
CVE ID
CVE-2025-32428
Severity
critical
Published
Updated
CVSS v4
9 · CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Description

Summary

jupyter-remote-desktop-proxy was meant to rely on UNIX sockets readable only by the current user since version 3.0.0, but when used with TigerVNC, the VNC server started by jupyter-remote-desktop-proxy were still accessible via the network.

This vulnerability does not affect users having TurboVNC as the vncserver executable.

Credits

This vulnerability was identified by Arne Gottwald at University of Göttingen and analyzed, reported, and reviewed by @frejanordsiek.

CWEs

References