CVE-2023-2727— Bypassing policies imposed by the ImagePolicyWebhook admission plugin
Quick assessment
Affected
Kubernetes Kubernetes
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.
Kubernetes（K8s）是云原生计算基金会（Cloud Native Computing Foundation）的一个开源系统，用于自动部署、扩展和管理容器化应用程序。 Kubernetes存在安全漏洞。攻击者利用该漏洞可以启动容器。
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I. Basic Information for CVE-2023-2727
Vulnerability Information
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Vulnerability Title
Bypassing policies imposed by the ImagePolicyWebhook admission plugin
Source: CVE Program / CVE List V5
Vulnerability Description
Users may be able to launch containers using images that are restricted by ImagePolicyWebhook when using ephemeral containers. Kubernetes clusters are only affected if the ImagePolicyWebhook admission plugin is used together with ephemeral containers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Kubernetes 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kubernetes（K8s）是云原生计算基金会（Cloud Native Computing Foundation）的一个开源系统，用于自动部署、扩展和管理容器化应用程序。 Kubernetes存在安全漏洞。攻击者利用该漏洞可以启动容器。
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 |
|---|---|---|---|---|
| Kubernetes | Kubernetes | v1.24.14 ~ <= | - |
|
II. Public POCs for CVE-2023-2727
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-2727 (1)
Mailing List Discussions for CVE-2023-2727 (1)
Other References for CVE-2023-2727 (2)
-
https://github.com/kubernetes/kubernetes/issues/118640 issue-tracking
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V. Comments for CVE-2023-2727
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