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CVE-2020-15257 PoC — containerd 安全漏洞

Source
https://github.com/Threekiii/Awesome-POC/blob/master/%E4%BA%91%E5%AE%89%E5%85%A8%E6%BC%8F%E6%B4%9E/Containerd%20%E6%BC%8F%E6%B4%9E%E5%AF%BC%E8%87%B4%E5%AE%B9%E5%99%A8%E9%80%83%E9%80%B8%20CVE-2020-15257.md
Associated Vulnerability
Title:containerd 安全漏洞 (CVE-2020-15257)
Description:containerd是美国阿帕奇（Apache）基金会的一个容器守护进程。该进程根据 RunC OCI 规范负责控制宿主机上容器的完整周期。 containerd 1.3.9之前版本和1.4.3版本存在安全漏洞，该漏洞源于containerd-shim API被不正确地公开给主机网络容器。shim s API套接字的访问控制验证了连接进程的有效UID为0，但是没有限制对抽象Unix域套接字的访问。这将允许在与shim相同的网络名称空间中运行的恶意容器，其有效UID为0，但在其他方面减少了特权，从而导致使用
File Snapshot

 # Containerd 漏洞导致容器逃逸 CVE-2020-15257

## 漏洞描述

Containerd 是一个控制 runC 的守护进程，提供命令行客户端和 API，用于在一个机器上管理容

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