CVE-2020-8570: Kubernetes Java client libraries unvalidated path traversal in Copy implementation

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I. Basic Information for CVE-2020-8570

Vulnerability Information

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Vulnerability Title

Kubernetes Java client libraries unvalidated path traversal in Copy implementation

Source: NVD (National Vulnerability Database)

Vulnerability Description

Kubernetes Java client libraries in version 10.0.0 and versions prior to 9.0.1 allow writes to paths outside of the current directory when copying multiple files from a remote pod which sends a maliciously crafted archive. This can potentially overwrite any files on the system of the process executing the client code.

Source: NVD (National Vulnerability Database)

CVSS Information

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Type

相对路径遍历

Source: NVD (National Vulnerability Database)

Vulnerability Title

Kubernetes 路径遍历漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Kubernetes是美国Linux基金会的一套开源的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。 Kubernetes 10.0.0 和 9.0.1之前版本存在安全漏洞，攻击者可以通过Kubernetes Java Client的Pod Copy遍历目录。

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 Java Client	all versions prior to 9.0	-

II. Public POCs for CVE-2020-8570

#	POC Description	Source Link	Shenlong Link
1	None	https://github.com/shoucheng3/kubernetes-client__java_CVE-2020-8570_client-java-parent-9-0-1	POC Details
2	None	https://github.com/shoucheng3/kubernetes-client__java_CVE-2020-8570_client-java-parent-9_0_2_fixed	POC Details

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2020-8570

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https://groups.google.com/g/kubernetes-security-announce/c/sd5h73sFPrgx_refsource_MISC
https://github.com/kubernetes-client/java/issues/1491x_refsource_MISC
https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
https://nvd.nist.gov/vuln/detail/CVE-2020-8570

IV. Related Vulnerabilities

Same product: Kubernetes Java Client

CVE-2021-25738
Code exec via yaml parsing

Same vendor: Kubernetes

Same weakness: CWE-23

V. Comments for CVE-2020-8570

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I. Basic Information for CVE-2020-8570

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2020-8570

III. Intelligence Information for CVE-2020-8570

IV. Related Vulnerabilities

V. Comments for CVE-2020-8570

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