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Gentoo Linux Security Advisory 201909-06

Gentoo Linux Security Advisory 201909-06
Posted Sep 7, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201909-6 - Multiple vulnerabilities have been found in Exim, the worst of which allows remote attackers to execute arbitrary code. Versions less than 4.92.2 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2019-13917, CVE-2019-15846
MD5 | fd8d8dc10be110dcb11ff2b0894c7b59

Gentoo Linux Security Advisory 201909-06

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201909-06
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https://security.gentoo.org/
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Severity: High
Title: Exim: Multiple vulnerabilities
Date: September 07, 2019
Bugs: #692394, #693494
ID: 201909-06

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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 < 4.92.2 >= 4.92.2

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-4.92.2"

References
==========

[ 1 ] CVE-2019-13917
https://nvd.nist.gov/vuln/detail/CVE-2019-13917
[ 2 ] CVE-2019-15846
https://nvd.nist.gov/vuln/detail/CVE-2019-15846

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

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

https://security.gentoo.org/glsa/201909-06

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 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

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