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CVE-2019-11250— Kubernetes client-go logs authorization headers at debug verbosity levels

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.

Google Kubernetes是美国谷歌（Google）公司的一套开源的Docker容器集群管理系统。该系统为容器化的应用提供资源调度、部署运行、服务发现和扩容缩容等功能。 Google Kubernetes 1.16.0之前版本中存在日志信息泄露漏洞。攻击者可利用该漏洞获取敏感信息。

AI Predicted 7.5 Difficulty: Easy EPSS 1.77% · P77

Possible ATT&CK Techniques 1 AI

T1529 · System Shutdown/Reboot
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I. Basic Information for CVE-2019-11250

Vulnerability Information
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Vulnerability Title
Kubernetes client-go logs authorization headers at debug verbosity levels
Source: CVE Program / CVE List V5
Vulnerability Description
The Kubernetes client-go library logs request headers at verbosity levels of 7 or higher. This can disclose credentials to unauthorized users via logs or command output. Kubernetes components (such as kube-apiserver) prior to v1.16.0, which make use of basic or bearer token authentication, and run at high verbosity levels, are affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Google Kubernetes 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Kubernetes是美国谷歌（Google）公司的一套开源的Docker容器集群管理系统。该系统为容器化的应用提供资源调度、部署运行、服务发现和扩容缩容等功能。 Google Kubernetes 1.16.0之前版本中存在日志信息泄露漏洞。攻击者可利用该漏洞获取敏感信息。
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 prior to 1.16 -

II. Public POCs for CVE-2019-11250

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III. Intelligence Information for CVE-2019-11250

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Vendor Advisories for CVE-2019-11250 (3)

Mailing List Discussions for CVE-2019-11250 (1)

Other References for CVE-2019-11250 (1)

Same Patch Batch · Kubernetes · 2019-08-29 · 6 CVEs total

CVE-2019-11245 kubelet-started container uid changes to root after first restart or if image is already p
CVE-2019-11246 kubectl cp allows symlink directory traversal
CVE-2019-11247 Kubernetes kube-apiserver allows access to custom resources via wrong scope
CVE-2019-11248 Kubernetes kubelet exposes /debug/pprof info on healthz port
CVE-2019-11249 kubectl cp allows symlink directory traversal

IV. Related Vulnerabilities

Same product: Kubernetes
Same vendor: Kubernetes
Same weakness: CWE-532

V. Comments for CVE-2019-11250

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