A ProFTPD security update has been released for Gentoo Linux.

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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
=================

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Package / Vulnerable / Unaffected
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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