This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--y6Ey4UDyDHod42ZHRvzAjGLbNSEL5jw8j
Content-Type: multipart/mixed;
 boundary="hiBbBcrtGwXJVzK3s2GTrIfBIaF09xcvT";
 protected-headers="v1"
From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <617e1e61-e1e8-e5cc-e30c-973acd175a06@gentoo.org>
Subject: [ GLSA 201803-01 ] Exim: Multiple vulnerabilities

--hiBbBcrtGwXJVzK3s2GTrIfBIaF09xcvT
Content-Type: text/plain; charset=utf-8
Content-Language: en-U
Content-Transfer-Encoding: quoted-printable

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 201803-01
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: High
    Title: Exim: Multiple vulnerabilities
     Date: March 06, 2018
     Bugs: #638772, #647240
       ID: 201803-01

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

Synopsis
========

Multiple vulnerabilities have been found in Exim, the worst of which
allows remote attackers to execute arbitrary code.

Background
==========

Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  mail-mta/exim                < 4.90.1                  >= 4.90.1

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

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

Impact
======

A remote attacker, by connecting to the SMTP listener daemon, could
possibly execute arbitrary code with the privileges of the process or
cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Exim users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=mail-mta/exim-4.90.1"

References
==========

[ 1 ] CVE-2017-16943
      https://nvd.nist.gov/vuln/detail/CVE-2017-16943
[ 2 ] CVE-2017-16944
      https://nvd.nist.gov/vuln/detail/CVE-2017-16944
[ 3 ] CVE-2018-6789
      https://nvd.nist.gov/vuln/detail/CVE-2018-6789

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

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

 https://security.gentoo.org/glsa/201803-01

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


--hiBbBcrtGwXJVzK3s2GTrIfBIaF09xcvT--

--y6Ey4UDyDHod42ZHRvzAjGLbNSEL5jw8j
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=0aLE
-----END PGP SIGNATURE-----

--y6Ey4UDyDHod42ZHRvzAjGLbNSEL5jw8j--