Donato Ferrante Application: SimpleCam http://www.deadpirate.com/ Version: 1.2 Bug: directory traversal Date: 04-May-2005 Author: Donato Ferrante e-mail: fdonato@autistici.org web: www.autistici.org/fdonato xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 1. Description 2. The bug 3. The code 4. The fix xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ---------------- 1. Description: ---------------- Vendor's Description: "SimpleCam is an easy to use webcam software product. It is designed for people who want to stream live video from their computers without paying a fortune or signing up for a service." xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ------------ 2. The bug: ------------ The program has a built-in webserver that is not able to manage patterns like "..\" into http requests. So an attacker can go out the document root assigned to the webserver and see/download all the files available on the remote system. xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ------------- 3. The code: ------------- To test the vulnerability: http://[host]/..\..\..\..\..\..\..\..\..\..\..\..\windows\system.ini xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ------------ 4. The fix: ------------ Bug fixed in the version 1.3. xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx