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Gentoo Linux Security Advisory                           GLSA 201701-46
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Mozilla Network Security Service (NSS): Multiple
           vulnerabilities
     Date: January 19, 2017
     Bugs: #550288, #571086, #604916
       ID: 201701-46

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Synopsis
========

Multiple vulnerabilities have been found in NSS, the worst of which
could allow remote attackers to obtain access to private key
information.

Background
==========

The Mozilla Network Security Service (NSS) is a library implementing
security features like SSL v.2/v.3, TLS, PKCS #5, PKCS #7, PKCS #11,
PKCS #12, S/MIME and X.509 certificates.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/nss                  < 3.28                     >= 3.28

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

Multiple vulnerabilities have been discovered in NSS. Please review the
CVE identifiers and technical papers referenced below for details.

Impact
======

Remote attackers could conduct man-in-the-middle attacks, obtain access
to private key information, or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All NSS users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/nss-3.28"

References
==========

[ 1 ] CVE-2015-2721
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2721
[ 2 ] CVE-2015-4000
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-4000
[ 3 ] CVE-2015-7575
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7575
[ 4 ] CVE-2016-1938
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1938
[ 5 ] CVE-2016-5285
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5285
[ 6 ] CVE-2016-8635
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8635
[ 7 ] CVE-2016-9074
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9074
[ 8 ] SLOTH Attack Technical Paper
      https://www.mitls.org/pages/attacks/SLOTH

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

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

 https://security.gentoo.org/glsa/201701-46

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.

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


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