- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 201908-16
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: High
    Title: ProFTPD: Remote code execution
     Date: August 15, 2019
     Bugs: #690528
       ID: 201908-16

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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/