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CentOS Web Panel v0.9.8.12 - Remote SQL Injection Vulnerabilities

Document Title:
===============
CentOS Web Panel v0.9.8.12 - Remote SQL Injection Vulnerabilities


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1833


Release Date:
=============
2018-01-22


Vulnerability Laboratory ID (VL-ID):
====================================
1833


Common Vulnerability Scoring System:
====================================
7.5


Vulnerability Class:
====================
SQL Injection


Current Estimated Price:
========================
4.000€ - 5.000€


Product & Service Introduction:
===============================
CentOS Web Panel - Free Web Hosting control panel is designed for quick and 
easy management of (Dedicated & VPS) servers without of 
need to use ssh console for every little thing. There is lot's of options and 
features for server management in this control panel.
CWP automatically installs full LAMP on your server (apache,php, phpmyadmin, 
webmail, mailserver…).

(Copy of the Homepage: http://centos-webpanel.com/features )


Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered a remote 
sql-injection web vulnerability in the CentOS Web Panel v0.9.8.12.


Vulnerability Disclosure Timeline:
==================================
2018-01-22: Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Affected Product(s):
====================
CWP
Product: CentOS Web Panel - (CWP) 0.9.8.12


Exploitation Technique:
=======================
Remote


Severity Level:
===============
High


Technical Details & Description:
================================
A remote sql-injection web vulnerability has been discovered in the official 
CentOS Web Panel v0.9.8.12 web-application.
The vulnerability allows remote attackers to inject own malicious sql commands 
to compromise the connected web-server or dbms.

The sql-injection vulnerability is located in the `row_id` and `domain` value 
of the `Add a domain` module POST method request.
Remote attackers are able to manipulate the POST method request to execute own 
malicious sql commands on the application-side 
of the web-application. The request method to inject is POST and the attack 
vector is application-side. The vulnerability can 
be exploited by restricted user accounts against the web-application 
administrator. 

The security risk of the sql-injection vulnerability is estimated as high with 
a cvss (common vulnerability scoring system) count of 7.5.
Exploitation of the remote sql injection vulnerability requires no user 
interaction and only a low privileged web-application user account.
Successful exploitation of the remote sql injection results in database 
management system, web-server and web-application compromise.

Request Method(s):
[+] POST

Vulnerable Module(s):
[+] Add a domain

Vulnerable Parameter(s):
[+] row_id
[+] domain

Affected Module(s):
[+] Delete domain


Proof of Concept (PoC):
=======================
The remote sql-injecton vulnerability can be exploited by remote attackers with 
low privilege user account and without user interaction.
For security demonstration or to reproduce the vulnerability follow the 
provided information and steps below to continue.


Manual steps to reproduce the vulnerability ...
1. Add a domain
2. Delete the same domain
3. Intercept the http request with a session tamper
4. Manipulate in the POST method request the values `row_id` or `domain` with '
5. Continue the request and an exploitable sql-exception becomes visible
6. Now the attacker can inject to the row_id and domain to execute malicious 
sql commands via restricted user account
7. Successful reproduce of the sql-injection vulnerability!


--- SQL Error Exceptions ---
You have an error in your SQL syntax; check the manual that corresponds to your 
MySQL server version for the right syntax to use near 'test-domain'' at line 1
Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given 
in 
/usr/local/cwpsrv/htdocs/resources/admin/include/functions.php(1) : eval()'d 
code(1) : eval()'d code on line 5


--- PoC Session logs [POST] ---
Status: 200[OK]
POST http://cwp.localhost:2030/index.php?module=list_domains 
Load Flags[LOAD_DOCUMENT_URI  LOAD_INITIAL_DOCUMENT_URI  ] Größe des 
Inhalts[-1] Mime Type[text/html]
   Request Header:
      Host[185.4.149.65:2030]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 
Firefox/45.0]
      Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      Referer[http://cwp.localhost:2030/index.php?module=list_domains]
      Cookie[cwpsrv-b66ec0f9742b8f4bd3407e0151cd756c=ae0c56ru1ver0k3d0cd1hh4147]
      Connection[keep-alive]
   POST-Daten:
      ifpost[yes]
      username[test-dom]
      domain[SQL-INJECTION PAYLOAD!]
      row_id[SQL-INJECTION PAYLOAD!]
   Response Header:
      Date[Mon, 25 Apr 2016 12:32:33 GMT]
      Server[Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/1.0.1e-fips PHP/5.4.27]
      X-Powered-By[PHP/5.4.27]
      Expires[Thu, 19 Nov 1981 08:52:00 GMT]
      Cache-Control[no-store, no-cache, must-revalidate, post-check=0, 
pre-check=0]
      Pragma[no-cache]
      Keep-Alive[timeout=5, max=100]
      Connection[Keep-Alive]
      Transfer-Encoding[chunked]
      Content-Type[text/html]


Reference(s):
http://cwp.localhost:2030/
http://cwp.localhost:2030/index.php
http://cwp.localhost:2030/index.php?module=list_domains


Security Risk:
==============
The security risk of the remote sql-injection web vulnerability in the centos 
web panel application is estimated as high. (CVSS 7.5)


Credits & Authors:
==================
Vulnerability-Lab [admin@xxxxxxxxxxxxxxxxxxxxx] - 
https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab


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=========================
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