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gFTP: Directory traversal vulnerability

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200502-27 / gFTP
Release Date February 19, 2005
Latest Revision February 19, 2005: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-ftp/gftp < 2.0.18-r1 >= 2.0.18-r1 All supported architectures

Related bugreports: #81994

Synopsis

gFTP is vulnerable to directory traversal attacks, possibly leading to the creation or overwriting of arbitrary files.

2.  Impact Information

Background

gFTP is a GNOME based, multi-threaded file transfer client.

Description

gFTP lacks input validation of filenames received by remote servers.

Impact

An attacker could entice a user to connect to a malicious FTP server and conduct a directory traversal attack by making use of specially crafted filenames. This could lead to arbitrary files being created or overwritten.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All gFTP users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/gftp-2.0.18-r1"

4.  References



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Page updated February 19, 2005

Summary: This is a Gentoo Linux Security Advisory

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