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Gentoo Linux Security Advisory                           GLSA 201908-16
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                                           https://security.gentoo.org/
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 Severity: High
    Title: ProFTPD: Remote code execution
     Date: August 15, 2019
     Bugs: #690528
       ID: 201908-16

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Synopsis
========

A vulnerability in ProFTPD could result in the arbitrary execution of
code.

Background
==========

ProFTPD is an advanced and very configurable FTP server.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-ftp/proftpd             < 1.3.6-r5               >= 1.3.6-r5 

Description
===========

It was discovered that ProFTPD's "mod_copy" module does not properly
restrict privileges for anonymous users.

Impact
======

A remote attacker, by anonymously uploading a malicious file, could
possibly execute arbitrary code with the privileges of the process,
cause a Denial of Service condition or disclose information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All ProFTPD users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-ftp/proftpd-1.3.6-r5"

References
==========

[ 1 ] CVE-2019-12815
      https://nvd.nist.gov/vuln/detail/CVE-2019-12815

Availability
============

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

 https://security.gentoo.org/glsa/201908-16

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 2019 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