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Gentoo Linux Security Advisory 201206-33

Gentoo Linux Security Advisory 201206-33
Posted Jun 25, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201206-33 - A vulnerability has been found in Postfix, the worst of which possibly allowing remote code execution. Versions less than 2.7.4 are affected.

tags | advisory, remote, code execution
systems | linux, gentoo
advisories | CVE-2011-0411, CVE-2011-1720
MD5 | 747c3d1ceb77eac7ea28b8d7ce15ee48

Gentoo Linux Security Advisory 201206-33

Change Mirror Download
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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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