Vulnerability Note VU#413875

EFTP does not adequately validate user input thereby allowing directory traversal

Overview

Encrypted File Transfer Program (EFTP) does not properly validate CWD commands, allowing authenticated users to read arbitrary directories and files.

I. Description

Encrypted File Transfer Program (EFTP) is an implementation of the FTP protocol using 448-bit Blowfish encryption. EFTP allows authenticated users to read arbitrary directories and files on the server through exploitation of a directory traversal vulnerability in the CWD command.

II. Impact

Attackers with access to an EFTP account can read arbitrary directories and files on the server.

III. Solution

Upgrade

Upgrade to EFTP version 2.0.8 .346:

http://www.eftp.org/eftp2setup.exe

Systems Affected

Vendor	Status	Date Notified	Date Updated
EFTP Development Team	Vulnerable	23-Sep-2002

References

http://www.eftp.org/
http://www.securityfocus.com/bid/3691

Credit

Thanks to Ertan Kurt for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

Date Public:	2001-12-13
Date First Published:	2002-09-24
Date Last Updated:	2002-09-24
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Metric:	1.89
Document Revision:	5

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