incomplete JupyterHub logout with simultaneous JupyterLab sessions
### Impact Users of JupyterLab with JupyterHub who have multiple JupyterLab tabs open in the same browser session, may see incomplete logout from the single-user server, as fresh credentials (for the single-user server only, not the Hub) reinstated after logout, if another active JupyterLab session is open while the logout takes place. ### Patches Upgrade to JupyterHub 1.5. For distributed deployments, it is jupyterhub in the _user_ environment that needs patching. There are no patches necessary in the Hub environment. ### Workarounds The only workaround is to make sure that only one JupyterLab tab is open when you log out.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2021-41247US | high7.5 | — | ||
JupyterHub is an open source multi-user server for Jupyter notebooks. In affected versions users who have multiple JupyterLab tabs open in the same browser session, may see incompl… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/jupyterhub/jupyterhubPACKAGE
- https://github.com/jupyterhub/jupyterhub/commit/5ac9e7f73a6e1020ffddc40321fc53336829fe27WEB
- https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-cw7p-q79f-m2v7WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub/PYSEC-2021-386.yamlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-41247ADVISORY
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