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Gentoo Linux Security Advisory GLSA 201402-12
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http://security.gentoo.org/
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Severity: Normal
Title: PAM S/Key: Information disclosure
Date: February 09, 2014
Bugs: #482588
ID: 201402-12
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Synopsis
========
PAM S/Key does not clear provided credentials from memory, allowing
local attackers to gain access to cleartext credentials.
Background
==========
PAM S/Key is a pluggable authentication module for the OpenBSD
Single-key Password system.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 sys-auth/pam_skey < 1.1.5-r5 >= 1.1.5-r5
Description
===========
Ulrich Müller reported that a Gentoo patch to PAM S/Key does not remove
credentials provided by the user from memory.
Impact
======
A local attacker with privileged access could inspect a memory dump to
gain access to cleartext credentials provided by users.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All PAM S/Key users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=sys-auth/pam_skey-1.1.5-r5”
References
==========
[ 1 ] CVE-2013-4285
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4285
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201402-12.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
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