CVE-2020-2024— Kata Containers - Guests can trick the kata-runtime into unmounting any mount point on the host
Quick assessment
Affected
Kata Containers Kata Containers
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.
Kata Containers是Kata Containers社区的一款开源的轻量级虚拟机构建程序。 Kata Containers 1.11.0之前版本中存在后置链接漏洞，该漏洞源于网络系统或产品未正确过滤表示非预期资源的链接或者快捷方式的文件名。攻击者可利用该漏洞访问非法的文件路径。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-2024
Vulnerability Information
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Vulnerability Title
Kata Containers - Guests can trick the kata-runtime into unmounting any mount point on the host
Source: CVE Program / CVE List V5
Vulnerability Description
An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Kata Containers 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kata Containers是Kata Containers社区的一款开源的轻量级虚拟机构建程序。 Kata Containers 1.11.0之前版本中存在后置链接漏洞，该漏洞源于网络系统或产品未正确过滤表示非预期资源的链接或者快捷方式的文件名。攻击者可利用该漏洞访问非法的文件路径。
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 |
|---|---|---|---|---|
| Kata Containers | Kata Containers | unspecified ~ 1.11.0 | - |
|
II. Public POCs for CVE-2020-2024
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2020-2024 (1)
-
https://github.com/kata-containers/runtime/pull/2475 x_refsource_MISC
Other References for CVE-2020-2024 (1)
-
https://github.com/kata-containers/runtime/issues/2474 x_refsource_MISC
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V. Comments for CVE-2020-2024
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