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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <fafef865-9215-0d36-2b73-b9401c57dec2@gentoo.org>
Subject: [ GLSA 201702-07 ] OpenSSL: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 201702-07
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: OpenSSL: Multiple vulnerabilities
     Date: February 14, 2017
     Bugs: #607318
       ID: 201702-07

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Synopsis
========

Multiple vulnerabilities have been found in OpenSSL, the worst of which
might allow attackers to access sensitive information.

Background
==========

OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
(SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general
purpose cryptography library.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/openssl             < 1.0.2k                  >= 1.0.2k

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

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

Impact
======

A remote attacker is able to crash applications linked against OpenSSL
or could obtain sensitive private-key information via an attack against
the Diffie-Hellman (DH) ciphersuite.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All OpenSSL users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2k"

References
==========

[ 1 ] CVE-2016-7055
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7055
[ 2 ] CVE-2017-3730
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-3730
[ 3 ] CVE-2017-3731
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-3731
[ 4 ] CVE-2017-3732
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-3732

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

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

 https://security.gentoo.org/glsa/201702-07

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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