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Gentoo Linux Security Advisory                           GLSA 201611-05
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: tnftp: Arbitrary code execution
     Date: November 15, 2016
     Bugs: #527302
       ID: 201611-05

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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
    -------------------------------------------------------------------
  1  net-ftp/tnftp               < 20141104               >= 20141104

Description
==========
The fetch_url function in usr.bin/ftp/fetch.c allows remote attackersto execute arbitrary commands via a | (pipe) character at the end of an
HTTP redirect.

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
=========
[ 1 ] CVE-2014-8517
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8517

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201611-05

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 2016 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.

https://creativecommons.org/licenses/by-sa/2.5/

Gentoo: GLSA-201611-05: tnftp: Arbitrary code execution

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

Summary

The fetch_url function in usr.bin/ftp/fetch.c allows remote attackersto execute arbitrary commands via a | (pipe) character at the end of an HTTP redirect.

Resolution

All tnftp users should upgrade to the latest version: # emerge --sync # emerge --ask --verbose --oneshot ">=net-ftp/tnftp-20141104"

References

[ 1 ] CVE-2014-8517 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8517

Availability

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

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.

Severity
Severity: Normal
Title: tnftp: Arbitrary code execution
Date: November 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 ------------------------------------------------------------------- 1 net-ftp/tnftp < 20141104 >= 20141104

Impact

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

Workaround

There is no known workaround at this time.

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