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[gentoo-announce] [ GLSA 201401-17 ] PCSC-Lite: Arbitrary code execution

Posted on 21 January 2014
Gentoo-announce

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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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