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CVE-2021-20218

Quick assessment

Affected
n/a fabric8-kubernetes-client
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.

Rohan Kumar kubernetes-client是 （Rohan Kumar）开源的一个应用软件。提供流畅的DSL访问完整的Kubernetes和 OpenShift REST API。 fabric8 kubernetes-client in version 4.2.0 and after 存在安全漏洞，该漏洞源于 copy 命令提可取工作路径之外的文件。

AI Predicted 6.5 Difficulty: Moderate EPSS 1.31% · P70

Possible ATT&CK Techniques 1 AI

T1491 · Defacement
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I. Basic Information for CVE-2021-20218

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Rohan Kumar kubernetes-client 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rohan Kumar kubernetes-client是 （Rohan Kumar）开源的一个应用软件。提供流畅的DSL访问完整的Kubernetes和 OpenShift REST API。 fabric8 kubernetes-client in version 4.2.0 and after 存在安全漏洞，该漏洞源于 copy 命令提可取工作路径之外的文件。
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
- fabric8-kubernetes-client kubernetes-client-4.2.0 and after -

II. Public POCs for CVE-2021-20218

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III. Intelligence Information for CVE-2021-20218

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Vendor Advisories for CVE-2021-20218 (1)

Other References for CVE-2021-20218 (1)

Same Patch Batch · n/a · 2021-03-16 · 15 CVEs total

CVE-2021-28543 4.0 MEDIUM Martin Blix Grydeland varnish-modules 代码问题漏洞
CVE-2020-24263 Portainer 权限许可和访问控制问题漏洞
CVE-2020-24264 Portainer 访问控制错误漏洞
CVE-2021-22887 Pulse Secure PSA5000 and PSA7000 安全漏洞
CVE-2021-25916 Paul Humphreys patchmerge 安全漏洞
CVE-2021-27938 Silverstripe CMS 跨站脚本漏洞
CVE-2020-28899 ZyXEL LTE4506-M606 访问控制错误漏洞
CVE-2021-28380 TYPO3 跨站脚本漏洞
CVE-2021-28381 TYPO3 SQL注入漏洞
CVE-2021-28294 Egavilan Media Bakeshop Online Ordering System 代码问题漏洞
CVE-2021-28295 Egavilan Media Bakeshop Online Ordering System SQL注入漏洞
CVE-2021-3127 NATS Server 访问控制错误漏洞
CVE-2019-3897 红帽 Red Hat 安全漏洞
CVE-2021-3344 Red Hat OpenShift Container Platform 安全漏洞

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-22

V. Comments for CVE-2021-20218

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