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CVE-2017-17405 PoC — Ruby Net::FTP 命令注入漏洞

Source
https://github.com/Threekiii/Awesome-POC/blob/master/%E4%B8%AD%E9%97%B4%E4%BB%B6%E6%BC%8F%E6%B4%9E/Ruby%20NetFTP%20%E6%A8%A1%E5%9D%97%E5%91%BD%E4%BB%A4%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E%20CVE-2017-17405.md
Associated Vulnerability
Title:Ruby Net::FTP 命令注入漏洞 (CVE-2017-17405)
Description:Ruby before 2.4.3 allows Net::FTP command injection. Net::FTP#get, getbinaryfile, gettextfile, put, putbinaryfile, and puttextfile use Kernel#open to open a local file. If the localfile argument starts with the "|" pipe character, the command following the pipe character is executed. The default value of localfile is File.basename(remotefile), so malicious FTP servers could cause arbitrary command execution.
File Snapshot

 # Ruby Net::FTP 模块命令注入漏洞 CVE-2017-17405

## 漏洞描述

Ruby Net::FTP 模块是一个FTP客户端，在上传和下载文件的过程中，打开本地文件时使用了`

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