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Gentoo Linux Security Advisory                           GLSA 202009-11
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: ProFTPD: Denial of service
     Date: September 13, 2020
     Bugs: #733376
       ID: 202009-11

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Synopsis
========

A vulnerability in ProFTPD could lead to a Denial of Service condition.

Background
==========

ProFTPD is an advanced and very configurable FTP server.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-ftp/proftpd              < 1.3.7a                  >= 1.3.7a

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

It was found that ProFTPD did not properly handle invalid SCP commands.

Impact
======

An authenticated remote attacker could issue invalid SCP commands,
possibly resulting in  a Denial of Service condition.

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-1.3.7a"

References
==========

[ 1 ] Invalid SCP command leads to null pointer dereference
      https://github.com/proftpd/proftpd/issues/1043

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

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

 https://security.gentoo.org/glsa/202009-11

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 2020 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