Gentoo: GLSA 201607-12 Normal: Exim Arbitrary Code Execution
gentoo
July 20, 2016
A local attacker could execute arbitrary code by providing unsanitized data to a data source or escalate privileges.
Summary
Vulnerabilities have been discovered in Exim's implementation of set-uid root and when using 'perl_startup'. These vulnerabilities require a user account on the Exim server and a configuration that does lookups against files to which the user has edit access.
Topics Covered
Resolution
All Exim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/exim-4.87"
References
[ 1 ] CVE-2014-2972 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2972
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201607-12
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: Normal
Title: Exim: Arbitrary code execution
Date: July 20, 2016
Bugs: #517934, #576582
ID: 201607-12
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
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1 mail-mta/exim < 4.87 >= 4.87
Impact
=====
A local attacker could possibly execute arbitrary code with the
privileges of the process, or escalate privileges.
Workaround
There is no known workaround at this time.
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