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[gentoo-announce] [ GLSA 201605-05 ] Linux-PAM: Multiple vulnerabilities

Posted on 31 May 2016
Gentoo-announce

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From: Yury German <blueknight@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <9d33ce68-d078-f5b5-4a78-c18388b34003@gentoo.org>
Subject: [ GLSA 201605-05 ] Linux-PAM: Multiple vulnerabilities

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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.

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


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