CVE-2019-1002101— kubectl 后置链接漏洞

kubectl cp path traversal

The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes creates a tar inside the container, copies it over the network, and kubectl unpacks it on the user’s machine. If the tar binary in the container is malicious, it could run any code and output unexpected, malicious results. An attacker could use this to write files to any path on the user’s machine when kubectl cp is called, limited only by the system permissions of the local user. The untar function can both create and follow symbolic links. The issue is resolved in kubectl v1.11.9, v1.12.7, v1.13.5, and v1.14.0.

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kubectl 后置链接漏洞

kubectl是一款用于运行针对Kubernetes集群的命令的命令行程序。 kubectl中存在后置链接漏洞，该漏洞源于网络系统或产品未能正确地过滤资源或文件路径中的特殊元素。攻击者可利用该漏洞访问受限目录之外的位置。以下版本受到影响：kubectl 1.11.9版本，1.12.7版本，1.13.5版本，1.14.0版本。

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