GLSA 201611-05: tnftp: Arbitrary code execution

Severity:normal
Title:tnftp: Arbitrary code execution
Date:11/15/2016
Bugs: #527302
ID:201611-05

Synopsis

tnftp is vulnerable to remote code execution if output file is not specified.

Background

tnftp is a NetBSD FTP client with several advanced features.

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-ftp/tnftp < 20141104 >= 20141104 All supported architectures

Description

The fetch_url function in usr.bin/ftp/fetch.c allows remote attackers to execute arbitrary commands via a

Impact

A remote attacker could possibly execute arbitrary code with the privileges of the process.

Workaround

There is no known workaround at this time.

Resolution

All tnftp users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --verbose --oneshot ">=net-ftp/tnftp-20141104"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201611-05.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!