CVE-2021-20218
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I. Basic Information for CVE-2021-20218
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://bugzilla.redhat.com/show_bug.cgi?id=1923405x_refsource_MISC
- https://github.com/fabric8io/kubernetes-client/issues/2715x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20218
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 |
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V. Comments for CVE-2021-20218
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