+++ Easy chat server 1.2 Directory traversal +++ Release Date: June 30 , 2004 Severity: MEdium Systems Affected: Microsoft Windows NT 4.0 (all versions) Microsoft Windows 2000 (SP3 and earlier) Microsoft Windows XP (all versions) windows 9x Description: Easy Chat Server is a easy, fast and affordable way to host and manage your own real-time communication software, it allows friends/colleagues to chat with you through a Web Browser (IE, Netscape, Opera etc.) on any computer (Windows, Linux, Solaris...) without any special plug-ins or software. It can help you setup your community chat rooms, collaborative work sessions or online meetings. A simple Directory traversal problem has been identified in Easy chat server 1.2 that may allow a remote user to read files outside the WWW directory. Example: /../../boot.ini Workaround: Use another product. Pr00f of concept code: sorry, nothing at the moment but some pr00f of concept exploit may emerge soon. Credit: Dr_insane Http://members.lycos.co.uk/r34ct/ Feedback Please send your comments to: dr_insane@pathfinder.gr