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Gentoo Linux Security Advisory                           GLSA 201401-17
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: PCSC-Lite: Arbitrary code execution
     Date: January 21, 2014
     Bugs: #349561
       ID: 201401-17

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Synopsis
========

A vulnerability in PCSC-Lite could result in execution of arbitrary
code or Denial of Service.

Background
==========

PCSC-Lite is a PC/SC Architecture smartcard middleware library.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-apps/pcsc-lite           < 1.6.6                    >= 1.6.6

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

PCSC-Lite contains a stack-based buffer overflow in the ATRDecodeAtr
function in the
Answer-to-Reset Handler (atrhandler.c).

Impact
======

A physically proximate attacker could execute arbitrary code or cause a
Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PCSC-Lite users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-apps/pcsc-lite-1.6.6"

NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since January 10, 2011. It is likely that your system is
already no longer affected by this issue.

References
==========

[ 1 ] CVE-2010-4531
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4531

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

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

 http://security.gentoo.org/glsa/glsa-201401-17.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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