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CVE-2020-15110— Possible pod name collisions in jupyterhub-kubespawner

Quick assessment

Affected
jupyterhub kubespawner
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

jupyterhub-kubespawner是一款用于在Kubernetes群集上生成单用户笔记本服务器的软件包。 jupyterhub-kubespawner 0.12之前版本中存在安全漏洞。攻击者可利用该漏洞访问具有相同用户名的其他用户的默认服务器。

CVSS 6.8 · Medium EPSS 1.11% · P65

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2020-15110

Vulnerability Information
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Vulnerability Title
Possible pod name collisions in jupyterhub-kubespawner
Source: CVE Program / CVE List V5
Vulnerability Description
In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
jupyterhub-kubespawner 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
jupyterhub-kubespawner是一款用于在Kubernetes群集上生成单用户笔记本服务器的软件包。 jupyterhub-kubespawner 0.12之前版本中存在安全漏洞。攻击者可利用该漏洞访问具有相同用户名的其他用户的默认服务器。
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 kubespawner < 0.12 -

II. Public POCs for CVE-2020-15110

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III. Intelligence Information for CVE-2020-15110

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Patches & Fixes for CVE-2020-15110 (1)

Vendor Advisories for CVE-2020-15110 (1)

IV. Related Vulnerabilities

Same vendor: jupyterhub
Same weakness: CWE-863

V. Comments for CVE-2020-15110

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