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GLSA
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Joined: 12 May 2004
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PostPosted: Tue Mar 06, 2018 7:26 pm    Post subject: [ GLSA 201803-01 ] Exim Reply with quote

Gentoo Linux Security Advisory

Title: Exim: Multiple vulnerabilities (GLSA 201803-01)
Severity: high
Exploitable: remote
Date: 2018-03-06
Bug(s): #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: mail-mta/exim
Vulnerable: < 4.90.1
Unaffected: >= 4.90.1
Architectures: 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:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=mail-mta/exim-4.90.1"
   


References

CVE-2017-16943
CVE-2017-16944
CVE-2018-6789
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