Home / mailings

PDF

[gentoo-announce] [ GLSA 201803-01 ] Exim: Multiple vulnerabilities

Posted on 06 March 2018
Gentoo-announce

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-US
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"

 

TOP