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Gentoo Linux Security Advisory                           GLSA 201804-06
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: mailx: Multiple vulnerabilities
     Date: April 08, 2018
     Bugs: #533208
       ID: 201804-06

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Synopsis
========

Multiple vulnerabilities were discovered in mailx, the worst of which
may allow a remote attacker to execute arbitrary commands.

Background
==========

A utility program for sending and receiving mail, also known as a Mail
User Agent program.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  mail-client/mailx        < 8.1.2.20160123      >= 8.1.2.20160123 

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

Multiple vulnerabilities have been discovered in mailx. Please review
the CVE identifiers referenced below for details.

Impact
======

A remote attacker could execute arbitrary commands.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All mailx users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=mail-client/mailx-8.1.2.20160123"

References
==========

[ 1 ] CVE-2004-2771
      https://nvd.nist.gov/vuln/detail/CVE-2004-2771
[ 2 ] CVE-2014-7844
      https://nvd.nist.gov/vuln/detail/CVE-2014-7844

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

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

 https://security.gentoo.org/glsa/201804-06

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 2018 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