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Gentoo Linux Security Advisory                           GLSA 201605-05
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Linux-PAM: Multiple vulnerabilities
     Date: May 31, 2016
     Bugs: #493432, #505604, #553302
       ID: 201605-05

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Synopsis
=======
Multiple vulnerabilities have been found in Linux-PAM, allowing remote
attackers to bypass the auth process and cause Denial of Service.

Background
=========
Linux-PAM (Pluggable Authentication Modules) is an architecture
allowing the separation of the development of privilege granting
software from the development of secure and appropriate authentication
schemes.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-libs/pam                 < 1.2.1                    >= 1.2.1

Description
==========
Multiple vulnerabilities have been discovered in Linux-PAM.  Please
review the CVE identifiers referenced below for details.

Impact
=====
Remote attackers could cause Denial of Service, conduct brute force
attacks, and conduct username enumeration.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Linux-PAM users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-libs/pam-1.2.1"

References
=========
[ 1 ] CVE-2013-7041
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-7041
[ 2 ] CVE-2014-2583
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2583
[ 3 ] CVE-2015-3238
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3238
[ 4 ] CVE-2015-3238
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3238

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

 https://security.gentoo.org/glsa/201605-05

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 2016 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/