- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 201412-02
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                            http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: Normal
    Title: nfs-utils: Information disclosure
     Date: December 08, 2014
     Bugs: #464636
       ID: 201412-02

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

A vulnerability in nfs-utils might allow remote attackers to gain
access to restricted information.

Background
==========

nfs-utils contains the client and daemon implementations for the NFS
protocol.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-fs/nfs-utils             < 1.2.8                    >= 1.2.8

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

rpc.gssd in nfs-utils is vulnerable to DNS spoofing due to it depending
on PTR resolution for GSSAPI authentication, allowing for data to be
submitted to a malicious server without the knowledge of the user.

Impact
======

A remote attacker may be able to obtain sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All nfs-utils users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-fs/nfs-utils-1.2.8"

References
==========

[ 1 ] CVE-2013-1923
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1923

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

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

 http://security.gentoo.org/glsa/glsa-201412-02.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 2014 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