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CVE-2023-48311— Any image allowed by default

Quick assessment

Affected
jupyterhub dockerspawner
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

dockerspawner是一个在 Docker 容器中生成 JupyterHub 单用户服务器的工具。 dockerspawner 0.11.0版本至13.0之前版本存在安全漏洞，该漏洞源于允许用户启动任何可拉取的映像，而不是按照预期仅限于单个配置的映像。

CVSS 8.0 · High EPSS 0.64% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-48311

Vulnerability Information
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Vulnerability Title
Any image allowed by default
Source: CVE Program / CVE List V5
Vulnerability Description
dockerspawner is a tool to spawn JupyterHub single user servers in Docker containers. Users of JupyterHub deployments running DockerSpawner starting with 0.11.0 without specifying `DockerSpawner.allowed_images` configuration allow users to launch _any_ pullable docker image, instead of restricting to only the single configured image, as intended. This issue has been addressed in commit `3ba4b665b` which has been included in dockerspawner release version 13. Users are advised to upgrade. Users unable to upgrade should explicitly set `DockerSpawner.allowed_images` to a non-empty list containing only the default image will result in the intended default behavior.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
dockerspawner 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dockerspawner是一个在 Docker 容器中生成 JupyterHub 单用户服务器的工具。 dockerspawner 0.11.0版本至13.0之前版本存在安全漏洞，该漏洞源于允许用户启动任何可拉取的映像，而不是按照预期仅限于单个配置的映像。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
jupyterhub dockerspawner >= 0.11.0, < 13.0 -

II. Public POCs for CVE-2023-48311

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9154 chars
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III. Intelligence Information for CVE-2023-48311

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Patches & Fixes for CVE-2023-48311 (1)

Vendor Advisories for CVE-2023-48311 (1)

IV. Related Vulnerabilities

Same vendor: jupyterhub
Same weakness: CWE-20

V. Comments for CVE-2023-48311

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