Exim: Multiple vulnerabilities — GLSA 201803-01

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

Affected Packages

mail-mta/exim on all architectures
Affected versions < 4.90.1
Unaffected versions >= 4.90.1

Background

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

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

Release Date
March 06, 2018

Latest Revision
March 06, 2018: 1

Severity
high

Exploitable
remote

Bugzilla entries