CVE-2019-11244— kubectl creates world-writeable cached schema files
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I. Basic Information for CVE-2019-11244
Vulnerability Information
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Vulnerability Title
kubectl creates world-writeable cached schema files
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过缓存导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Google Kubernetes 权限许可和访问控制问题漏洞
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 v1.8.x版本至1.14.x版本中存在安全漏洞。攻击者可利用该漏洞造成kubectl无法被调用。
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 | v1.8.0 ~ v1.8* | - |
II. Public POCs for CVE-2019-11244
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/kubernetes/kubernetes/issues/76676x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20190509-0002/x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2019-11244
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