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CVE-2021-3101— Hotdog Container Escape

Quick assessment

Affected
Amazon Web Services Hotdog
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.

Hotdog是一组 OCI 挂钩。用于将 Log4j Hot Patch 注入容器。 Hotdog 1.0.1 版本之前存在安全漏洞，该漏洞源于没有模仿目标 JVM 进程的功能或 SELinux 标签。 这将允许容器在主机上获得完全权限，绕过对容器设置的限制。

CVSS 8.8 · High EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1611 · Escape to Host
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I. Basic Information for CVE-2021-3101

Vulnerability Information
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Vulnerability Title
Hotdog Container Escape
Source: CVE Program / CVE List V5
Vulnerability Description
Hotdog, prior to v1.0.1, did not mimic the capabilities or the SELinux label of the target JVM process. This would allow a container to gain full privileges on the host, bypassing restrictions set on the container.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
带着不必要的权限执行
Source: CVE Program / CVE List V5
Vulnerability Title
Hotdog 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hotdog是一组 OCI 挂钩。用于将 Log4j Hot Patch 注入容器。 Hotdog 1.0.1 版本之前存在安全漏洞，该漏洞源于没有模仿目标 JVM 进程的功能或 SELinux 标签。 这将允许容器在主机上获得完全权限，绕过对容器设置的限制。
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
Amazon Web Services Hotdog unspecified ~ 1.0.1 -

II. Public POCs for CVE-2021-3101

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III. Intelligence Information for CVE-2021-3101

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Vendor Advisories for CVE-2021-3101 (1)

Other References for CVE-2021-3101 (1)

Same Patch Batch · Amazon Web Services · 2022-04-19 · 4 CVEs total

CVE-2021-3100 8.8 HIGH Log4j hot patch package privilege escalation
CVE-2022-0070 8.8 HIGH Log4j hot patch package privilege escalation
CVE-2022-0071 8.8 HIGH Hotdog Container Escape

IV. Related Vulnerabilities

Same product: Hotdog
Same vendor: Amazon Web Services
Same weakness: CWE-250

V. Comments for CVE-2021-3101

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