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Message-ID: <1303936928.2960.84.camel@mdlinux>
Date: Wed, 27 Apr 2011 16:42:08 -0400
From: Marc Deslauriers <marc.deslauriers@...onical.com>
To: ubuntu-security-announce@...ts.ubuntu.com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk
Subject: [USN-1125-1] PCSC-Lite vulnerability
==========================================================================
Ubuntu Security Notice USN-1125-1
April 27, 2011
pcsc-lite vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.10
- Ubuntu 10.04 LTS
- Ubuntu 9.10
Summary:
PCSC-Lite could be made to crash or run programs if it accessed a special
smart card.
Software Description:
- pcsc-lite: Middleware to access a smart card using PC/SC (development files)
Details:
Rafael Dominguez Vega discovered that PCSC-Lite incorrectly handled smart
cards with malformed ATR messages. An attacker having physical access
could exploit this with a special smart card and cause a denial of service
or execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 10.10:
libpcsclite1 1.5.5-3ubuntu2.1
Ubuntu 10.04 LTS:
libpcsclite1 1.5.3-1ubuntu4.2
Ubuntu 9.10:
libpcsclite1 1.5.3-1ubuntu1.2
After a standard system update you need to restart smart card applications
to make all the necessary changes.
References:
CVE-2010-4531
Package Information:
https://launchpad.net/ubuntu/+source/pcsc-lite/1.5.5-3ubuntu2.1
https://launchpad.net/ubuntu/+source/pcsc-lite/1.5.3-1ubuntu4.2
https://launchpad.net/ubuntu/+source/pcsc-lite/1.5.3-1ubuntu1.2
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