Gentoo: GLSA-201803-01 Critical: Exim Multiple Code Execution Issues
gentoo
March 6, 2018
Multiple vulnerabilities have been found in Exim, the worst of which allows remote attackers to execute arbitrary code.
Summary
Multiple vulnerabilities have been discovered in Exim. Please review the CVE identifiers referenced below for details.
Topics Covered
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
style>.gentoo_availability{display:block;}
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.
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Severity
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Critical
Severity: High
Title: Exim: Multiple vulnerabilities
Date: March 06, 2018
Bugs: #638772, #647240
ID: 201803-01
Topics Covered
Background
Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-mta/exim < 4.90.1 >= 4.90.1
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.
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