Any image allowed by default
CVE-2023-48311

8HIGH

Key Information:

Vendor

jupyterhub

Status
dockerspawner
Vendor
CVE Published:
8 December 2023

What is CVE-2023-48311?

The DockerSpawner component of JupyterHub allows users to create single-user servers in Docker containers. A configuration oversight was identified in versions starting from 0.11.0, which could let users launch any Docker image instead of limiting them to a specific, approved image. This situation arises when the 'DockerSpawner.allowed_images' configuration is left unspecified. To mitigate the risk, it’s essential for users to either upgrade to DockerSpawner version 13 or later or explicitly define 'DockerSpawner.allowed_images' with a non-empty array containing only the desired image. This update ensures that deployments retain their intended security practices by restricting which images can be utilized.

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Deploy the Patch

Affected Version(s)

dockerspawner >= 0.11.0, < 13.0

References

https://github.com/jupyterhub/dockerspawner/security/advi...
x_refsource_CONFIRM
https://github.com/jupyterhub/dockerspawner/commit/3ba4b6...
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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