GLSA 201803-01: Exim: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	Exim: Multiple vulnerabilities
Date:	03/06/2018
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	Architecture(s)
mail-mta/exim	< 4.90.1	>= 4.90.1	All supported architectures

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

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201803-01.xml

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.