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jupyterhub@4.0.0 vulnerabilities

JupyterHub: A multi-user server for Jupyter notebooks

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Direct Vulnerabilities

Known vulnerabilities in the jupyterhub package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Improper Privilege Management

jupyterhub is a JupyterHub: A multi-user server for Jupyter notebooks

Affected versions of this package are vulnerable to Improper Privilege Management in apihandlers/users.py. A high privileged user in the admin:users scope (which is equivalent to admin=True) can escalate to admin privileges by modifying their own grants.

How to fix Improper Privilege Management?

Upgrade jupyterhub to version 4.1.6, 5.1.0 or higher.

[,4.1.6) [5.0.0b1,5.1.0)
  • H
Cross-site Request Forgery (CSRF)

jupyterhub is a JupyterHub: A multi-user server for Jupyter notebooks

Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) due to the mishandling of user input on a malicious subdomain. An attacker can achieve unauthorized access and control over a user's session and potentially gain full access to the JupyterHub API and the user's single-user server by tricking a user into visiting a malicious subdomain.

Note:

This is only exploitable in single-origin JupyterHub deployments and deployments where user-controlled applications run on subdomains or peer subdomains of either the Hub or a single-user server.

How to fix Cross-site Request Forgery (CSRF)?

Upgrade jupyterhub to version 4.1.0 or higher.

[,4.1.0)
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