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From: Yury German <blueknight@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <2c970792-83db-2b74-cd65-b92eb41e17cc@gentoo.org>
Subject: [ GLSA 201708-02 ] TNEF: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 201708-02
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: TNEF: Multiple vulnerabilities
     Date: August 17, 2017
     Bugs: #611426, #618658
       ID: 201708-02

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Synopsis
========

Multiple vulnerabilities have been found in TNEF, the worst of which
allows remote attackers to cause a Denial of Service condition.

Background
==========

TNEF is a program for unpacking MIME attachments of type
"application/ms-tnef".

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-mail/tnef                < 1.4.15                  >= 1.4.15

Description
===========

Multiple vulnerabilities have been discovered in TNEF. Please review
the CVE identifiers referenced below for details.

Impact
======

A remote attacker could entice a user to process a specially crafted
MIME attachment of type "application/ms-tnef" using TNEF, possibly
resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All TNEF users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-mail/tnef-1.4.15"

References
==========

[ 1 ] CVE-2017-6307
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6307
[ 2 ] CVE-2017-6308
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6308
[ 3 ] CVE-2017-6309
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6309
[ 4 ] CVE-2017-6310
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6310
[ 5 ] CVE-2017-8911
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8911

Availability
============

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

 https://security.gentoo.org/glsa/201708-02

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 2017 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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