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[gentoo-announce] [ GLSA 201206-33 ] Postfix: Multiple vulnerabilities

Posted on 25 June 2012
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201206-33
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http://security.gentoo.org/
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Severity: High
Title: Postfix: Multiple vulnerabilities
Date: June 25, 2012
Bugs: #358085, #366605
ID: 201206-33

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Synopsis
========
A vulnerability has been found in Postfix, the worst of which possibly
allowing remote code execution.

Background
==========
Postfix is Wietse Venema=E2=80=99s mailer that attempts to be fast, easy =to
administer, and secure, as an alternative to the widely-used Sendmail
program.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-mta/postfix < 2.7.4 >= 2.7.4

Description
===========
A vulnerability have been discovered in Postfix. Please review the CVE
identifier referenced below for details.

Impact
======
An attacker could perform a man-in-the-middle attack and inject SMTP
commands during the plaintext to TLS session switch or might execute
arbitrary code.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All Postfix users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/postfix-2.7.4"

References
==========
[ 1 ] CVE-2011-0411
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0411
[ 2 ] CVE-2011-1720
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1720

Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201206-33.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.

License
=======
Copyright 2012 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5


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