– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 201605-05
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
https://security.gentoo.org/
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Severity: Normal
Title: Linux-PAM: Multiple vulnerabilities
Date: May 31, 2016
Bugs: #493432, #505604, #553302
ID: 201605-05

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

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

—–BEGIN PGP SIGNATURE—–

iQEcBAEBCAAGBQJXTRg2AAoJEDkRiObnjK1yEXUH/32Cp/BjMN8Qa3KyEayDcuIE
JZVd58l1NbB095C4hHwE2ucIRorRImYM/ud4UAVyPNaYO61zq+w3foV/8f4e6aWe
0rvgv5ipP6zYEYICE05GGqBCL6sIfrzPDkqCDJjmN4McQvbgRYroufiB8HinNvkQ
T0HGaahASayZ6HWW2g+CpWJR5s4Cdm2hyBFWmon/NcHBFtN4mxMByL8je8lSVyoo
TccZiXeJ9hPobn5ZOnHZehl8yjPYTVicvjqflwnwK8UX2g4YFuCbJpXd98tYRRPV
mtOqRHEMCWkxq6Wbt6hta80TQHQAEGYCEkX80iL821ozUW+W0ne32VM96G/baTM=
=UykS
—–END PGP SIGNATURE—–